From BiblePortal Wikipedia

King James Dictionary [1]

PRAC'TICE, n. Gr. to act, to do, to make Eng. to brook, and broker L. fruor, for frugor or frucor, whence fructus, contracted into fruit frequens.

1. Frequent or customary actions a succession of acts of a similar kind or in a like employment as the practice of rising early or of dining late the practice of reading a portion of Scripture morning and evening the practice of making regular entries of accounts the practice of virtue or vice. Habit is the effect of practice. 2. Use customary use.

Obsolete words may be revived when the are more sounding or significant than those in practice.

3. Dexterity acquired by use. Unusual. 4. Actual performance distinguished from theory.

There are two functions of the soul, contemplation and practice, according to the general division of objects, some of which only entertain our speculations, others employ our actions.

5. Application of remedies medical treatment of diseases. Tow physicians may differ widely in their practice. 6. Exercise of any profession as the practice of law or of medicine the practice of arms. 7. Frequent use exercise for instruction or discipline. The troops are daily called out for practice. 8. Skillful or artful management dexterity in contrivance or the use of means art stratagem artifice usually in a bad sense.

He sought to have that by practice which he could not by prayer.

This use of the word is genuine from L. experior. It is not a mistake as Johnson supposes. See the Verb.

9. A rule in arithmetic, by which the operations of the general rules are abridged in use.

PRAC'TICE, From the noun. The orthography of the verb ought to be the same as of the noun as in notice and to notice.

1. To do or perform frequently, customarily or habitually to perform by a succession of acts as, to practice gaming to practice fraud or deception to practice the virtues of charity and beneficence to practice hypocrisy.  Isaiah 32

Many praise virtue who do not practice it.

2. To use or exercise any profession or art as, to practice law or medicine to practice gunnery or surveying. 3. To use or exercise for instruction, discipline or dexterity. In this sense, the verb is usually intransitive. 4. To commit to perpetrate as the horrors practiced at Wyoming. 5. To use as a practiced road. Unusual.

PRAC'TICE, To perform certain acts frequently or customarily, either for instruction, profit, or amusement as, to practice with the broad sword to practice with the rifle.

1. To form a habit of acting in any manner.

They shall practice how to live secure.

2. To transact or negotiate secretly.

I have practic'd with him,

And found means to let the victor know

That Syphax and Sempronius are his friends.

3. To try artifices.

Others, by guilty artifice and arts

Of promis'd kindness, practic'd on our hearts.

4. To use evil arts or stratagems.

If you there

Did practice on my state--

5. To use medical methods or experiments.

I am little inclined to practice on others,and as little that others should practice on me.

6. To exercise any employment or profession. A physician has practiced many years with success.

Webster's Dictionary [2]

(1): ( v. t.) To make use of; to employ.

(2): ( v. t.) To teach or accustom by practice; to train.

(3): ( v. t.) To exercise, or follow, as a profession, trade, art, etc., as, to practice law or medicine.

(4): ( v. t.) To do or perform frequently, customarily, or habitually; to make a practice of; as, to practice gaming.

(5): ( v. i.) To perform certain acts frequently or customarily, either for instruction, profit, or amusement; as, to practice with the broadsword or with the rifle; to practice on the piano.

(6): ( v. t.) To put into practice; to carry out; to act upon; to commit; to execute; to do.

(7): ( v. t.) To exercise one's self in, for instruction or improvement, or to acquire discipline or dexterity; as, to practice gunnery; to practice music.

(8): ( v. i.) To try artifices or stratagems.

(9): ( n.) A easy and concise method of applying the rules of arithmetic to questions which occur in trade and business.

(10): ( n.) Skillful or artful management; dexterity in contrivance or the use of means; art; stratagem; artifice; plot; - usually in a bad sense.

(11): ( n.) Application of science to the wants of men; the exercise of any profession; professional business; as, the practice of medicine or law; a large or lucrative practice.

(12): ( n.) Systematic exercise for instruction or discipline; as, the troops are called out for practice; she neglected practice in music.

(13): ( n.) Actual performance; application of knowledge; - opposed to theory.

(14): ( v. i.) To learn by practice; to form a habit.

(15): ( n.) Customary or constant use; state of being used.

(16): ( n.) Frequently repeated or customary action; habitual performance; a succession of acts of a similar kind; usage; habit; custom; as, the practice of rising early; the practice of making regular entries of accounts; the practice of daily exercise.

(17): ( v. i.) To apply theoretical science or knowledge, esp. by way of experiment; to exercise or pursue an employment or profession, esp. that of medicine or of law.

(18): ( n.) The form, manner, and order of conducting and carrying on suits and prosecutions through their various stages, according to the principles of law and the rules laid down by the courts.

(19): ( n.) Skill or dexterity acquired by use; expertness.

Vine's Expository Dictionary of NT Words [3]

1: Πράσσω (Strong'S #4238 — Verb — prasso — pras'-so )

is translated by the verb "to practice" in the RV in the following passages (the AV nowhere renders the verb thus):  John 3:20 (marg.); 5:29 (marg.);   Acts 19:19;  Romans 1:32 (twice); 2:1,2,3; 7:15,19;   Galatians 5:21 . See Do , No. 2.