teeskennellä

Etymology
From.

Verb

 * 1)  to pretend; to feign, make believe; to affect, assume an air/a look of, put on airs of

Usage notes

 * This verb is normally followed by a clause beginning with or an adverbial structure (the genitive singular of the active present or past participle + possessive suffix, e.g.  -> ). The verb may also be followed by an adjective or a quality noun (an adjective turned into a noun, like the  nouns in English, or a noun corresponding to an adjective).