Attitudinizing Synonyms

To represent oneself in a given character or as other than what one is
(Verb)
Synonyms:
  1. posturing
  2. posing
  3. passing
  4. masquerading
  5. impersonating
To assume an exaggerated or unnatural attitude or pose
(Verb)
Synonyms:
  1. posturing
  2. posing