Impersonated (4)
'impersonated' is the definition.
('pose as' can be a synonym of 'impersonate')
This is all the clue.
'impersonated' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for aped that I've seen before include "Imitated like primate" , "Caricatured" , "Imitated like monkey" , "Imitated in every aspect" , "Imitated, mimicked" .)