Found 2 items, similar to mentation.
English → English (WordNet) Definition: mentation mentation n : the process of thinking (especially thinking carefully); “thinking always made him frown”; “she paused for thought” [syn: thinking, thought, cerebration, intellection]
English → English (gcide) Definition: mentation mentation \men*ta"tion\ (m[e^]n*t[=a]"sh[u^]n), n. the process of thinking (especially thinking carefully); mental activity. Syn: thinking, thought, cerebration, intellection. [WordNet 1.5]