Merriam-Webster Online Dictionary
thinking (noun)1.
the action of using one's mind to produce thoughts
2.
a) - opinion judgment I'd like to know your thinking on this
b) thought that is characteristic (as of a period, group, or person) - the current student thinking on fraternities
marked by use of the intellect - rational thinking citizens
Merriam-Webster Online Thesaurus
thinking (adjective)having the ability to reason
SYNONIMS:
intelligent, reasonable, reasoning, thinkingRELATED WORDS:
analytic ( analytical), logical; brainy, cerebral, highbrow, highbrowed, intellectual; cognitional, cognitive, mental; levelheaded, practical, sane, sensible, soberNEAR ANTONYMS:
brainless, dense, doltish, dopey ( dopy), dorky [], dull, dumb, fatuous, half-witted, mindless, obtuse, senseless, slow, stupid, thickheaded; fallacious, groundless, illogical, invalid, nonsensical