Assumed names (7)
'assumed names' is the definition.
('alias' can be a synonym of 'assumed name')
This is all the clue.
(Other definitions for aliases that I've seen before include "handles affected?" , "Assumed identities" , "False identities" , "A lassie with false names" , "Sobriquets" .)
'assumed names' is the definition.
(anonym is a kind of assumed name)
This is all the clue.
(Another definition for anonyms that I've seen is " Nameless persons".)
'assumed names' is the definition.
(pseudonym is a kind of assumed name)
This is the entire clue.