From BiblePortal Wikipedia

Webster's Dictionary [1]

(1): ( n.) The act of thinking; mode of thinking; imagination; cogitation; judgment.

(2): ( a.) Having the faculty of thought; cogitative; capable of a regular train of ideas; as, man is a thinking being.

(3): ( p. pr. & vb. n.) of Think

King James Dictionary [2]

Think'Ing, ppr. Having ideas supposing judging imagining intending meditating.

1. a. Having the faculty of thought cogitative capable of a regular train of ideas.

Man is a thinking being.

Think'Ing, n. Imagination cogitation judgment.

I heard a bird so sing,

Whose music, to my thinking, pleas'd the king.