dissimulation Definition

dissimulate
verb

tr & intr
1. To hide or disguise (especially feelings).

Thesaurus: pretend, fake, feign, conceal, hide, mask, cloak, disguise, camouflage, dissemble.

Derivative: dissimulation
noun

An act of hiding or disguising something, especially feelings
Thesaurus: pretence, act, affectation, deception, deceit, duplicity, hypocrisy, sham, feigning, concealment; Antonym: openness.

Etymology: 17c in this sense; 16c in obsolete sense ‘to pass over or ignore': from Latin dissimulare, dissimulatum.