dismiss as

dismiss (someone or something) as (something)

To reject someone or something by viewing or designating it in a particular way. The studio may dismiss me as a dumb blonde, but I'll show them how versatile an actress I can be! The candidate dismissed the negative report about him as a total fabrication.
See also: dismiss
Farlex Dictionary of Idioms.

dismiss something as something

to put something out of one's mind or ignore something as something. (The second something can be a noun or an adjective.) I dismissed the whole idea as foolishness. It was not possible to dismiss the whole matter as a one-time happening. Molly dismissed the whole event as accidental.
See also: dismiss
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • dismiss
  • dismiss (someone or something) as (something)
  • strike (someone) dumb
  • laugh all the way to the bank
  • bust on (someone or something)
  • bust on someone/something
  • not put it past
  • not put it past (someone)
  • cheesehead
  • canceled