Feign v. t. : To give a mental existence to, as to something not real or actual; to imagine; to invent; hence, to pretend; to form and relate as if true.

Feign v. t. : To represent by a false appearance of; to pretend; to counterfeit; as, to feign a sickness.

Feign v. t. : To dissemble; to conceal.

Example:
How can I Feign interest in a conversation?

Taxonomy
Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, Middle English, thesaurus, glossary, language, ESL, Search, Etymology, Anglo-French, stem, feindre, Latin, fingere, shape.

Defination from the web:
feign from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... dissemble transitive verb 1 a : to give a false appearance of : induce as a false impression <feign death> b : to assert as if true : pretend ...