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Thinking is thought or reasoning. An example of thinking is when someone takes the time to work out a problem in their head. thinking. thinking. The act or practice of one that thinks; thought.
LINK / CITE ADD TO WORD LIST. noun. The definition of cognition is the mental process of thinking and understanding and the understanding that comes from this mental process. An example of cognition is the thought process you undergo when you learn how to do a new math problem for the first time. cognition. the result of such a process; perception, conception, etc.