one who thinks; specif., a person capable of, or known for, profound or incisive thought; intellectual, sage, etc.
- One who devotes much time to thought or meditation.
- One who thinks or reasons in a certain way: a careful thinker.
- Adjectives often applied to "thinker": creative, deep, critical, great, strategic, original, political, clear, social, brilliant, logical, liberal, conservative, influential, lateral, radical, religious, profound, abstract.
think +"Ž -er