thinker

think·er  (thngkr)

n.

1. One who devotes much time to thought or meditation.

2. One who thinks or reasons in a certain way: a careful thinker.

Thesaurus

Noun	1.	thinker - an important intellectual; "the great minds of the 17th century" creative thinker, mind intellectual, intellect - a person who uses the mind creatively
	2.	thinker - someone who exercises the mind (usually in an effort to reach a decision) intellectual, intellect - a person who uses the mind creatively brain-worker, brainworker - someone whose profession involves using his head to solve problems classifier - a person who creates classifications divergent thinker - a thinker who moves away from the problem as stated and often has novel ideas and solutions excogitator - a thinker who considers carefully and thoroughly muser, ponderer, ruminator, muller - a reflective thinker characterized by quiet contemplation arranger, organizer, organiser - a person who brings order and organization to an enterprise; "she was the organizer of the meeting" philosophiser, philosophizer - someone who considers situations from a philosophical point of view convergent thinker, problem solver, solver - a thinker who focuses on the problem as stated and tries to synthesize information and knowledge to achieve a solution ratiocinator, reasoner - someone who reasons logically rocket scientist - a clever thinker; "you do not have to be a rocket scientist to figure that out" speculator - someone who makes conjectures without knowing the facts

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thinker

noun philosopher, intellect (informal) wise man, sage, brain (informal) theorist, mastermind, mahatma