Definition of "mentation" [men•ta•tion]

• Mental activity; thinking: "The heartless hip analysis of crime is . . . a part of my life and my mentation” ( Scott Turow). (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Schneidman was interested in what he called "risk writing" - that is, the relationship between writing and suicidal 'mentation' - and wrote a study of the "suicidal logic" of the Italian writer, Cesare Pavese, who committed suicide."
• "In this and in many other respects the mental activities of the fatigued or sleepy individual approach the type of mentation which is normal to the feeble-minded."
• "I had no mentation the promulgate would spread b bruit about into notable notice such irrefutable reactions in people, but I acumen unquestionably strongly with compliments to self-determination of language and allowing ideas to be unconstrainedly circulated."