The definition of think is to have an idea or belief about something, or to use your brain to consider or judge, or to state something more politely.(verb)
See think in Webster's New World College Dictionary
Origin: < ME thenchen, to think, confused with thinchen, to seem < OE thencan < PGmc *thankjan, to think: for IE base see thank
See think in American Heritage Dictionary 4
verb thought thought (thôt), think·ing, thinks verb, transitive
Origin: Middle English thenken
Origin: , from Old English thencan; see tong- in Indo-European roots.
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