1. thinker(n = noun.person) creative thinker, mind - an important intellectual; "the great minds of the 17th century"
is a kind of intellect, intellectual
Derived form verb think3
2. thinker(n = noun.person) Array - someone who exercises the mind (usually in an effort to reach a decision); Array
is a kind of intellect, intellectual
has particulars: brain-worker, brainworker, classifier, divergent thinker, excogitator, muller, muser, ponderer, ruminator, arranger, organiser, organizer, philosophiser, philosophizer, convergent thinker, problem solver, solver, ratiocinator, reasoner, rocket scientist, speculator
Derived form verb think3
One who thinks; especially and chiefly, one who thinks in a particular manner; as, a close thinker; a deep thinker; a coherent thinker. [1913 Webster]
thinker, n.
1 a person who thinks, esp. in a specified way (an original thinker).
2 a person with a skilled or powerful mind.
N sage, wise man, genius, master mind, master spirit of the age, longhead, thinker, intellectual, longhair, authority, oracle, luminary, shining light, esprit fort, magnus Apollo, Solon, Solomon, Nestor, Magi, second Daniel, man of learning, expert, wizard, wiseacre, bigwig, know-it-all, poor man's Einstein, venerable, reverenced, emeritus, barba tenus sapientes.
convergent thinker, creative thinker, divergent thinker, wishful thinker