use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments; "I've been thinking all day and getting nowhere"
use or exercise the mind or one''s power of reason in order to make inferences, decisions, or arrive at a solution or judgments; "I''ve been thinking all day and getting nowhere"
use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments