Here are some synonyms for feigning:
* Fake
* Imitate
* Mimic
* Counterfeit
* Dissemble
* Pretend
* Assume
* Affect
* Masquerade
Examples:
* She feigned interest in his story even though she was bored.
* The actor feigned a limp to make his performance more convincing.
* The thief feigned innocence when questioned by the police.
In essence, feigning is a deliberate act of deception. It is used to create a false impression or to avoid revealing one's true feelings, intentions, or capabilities.