King James Dictionary 
CONCEPTION, n. L., See Conceive.
1. The act of conceiving the first formation of the embryo or fetus of an animal.
I will greatly multiply thy sorrow and thy conception. Genesis 3 .
2. The state of being conceived.
Joy had the like conception in our eyes.
3. In pneumatology, apprehension of nay thing by the mind the act of conceiving in the mind that mental act or combination of acts by which an idea or notion is formed of an absent object of perception, or of a sensation formerly felt. When we see an object with our eyes open, we have a perception of it when the same object is presented to the mind with the eyes shut, in idea only or in memory, we have a conception of it. 4. Conception may be sometimes used for the power of conceiving ideas, as when we say, a thing is not within our conception. Some writers have defined conception as a distinct faculty of the mind but it is considered by others as memory, and perhaps with propriety. 5. Purpose conceived conception with reference to the performance of an act. 6. Apprehension knowledge.
And as if beasts conceived what reason were, and that conception should distinctly show.
7. Conceit affected sentiment, or thought.
He is too full of conceptions, points of epigram, and witticisms.
Webster's Dictionary 
(1): (n.) Idea; purpose; design.
(2): (n.) The formation in the mind of an image, idea, or notion, apprehension.
(3): (n.) The act of conceiving in the womb; the initiation of an embryonic animal life.
(4): (n.) Conceit; affected sentiment or thought.
(5): (n.) The power or faculty of apprehending of forming an idea in the mind; the power of recalling a past sensation or perception.
(6): (n.) The image, idea, or notion of any action or thing which is formed in the mind; a concept; a notion; a universal; the product of a rational belief or judgment. See Concept.
(7): (n.) The state of being conceived; beginning.