fictitious name
Noun
Meaning
(law) a name under which a corporation conducts business that is not the legal name of the corporation as shown in its articles of incorporation
Source: WordNetSynonyms
Hypernyms
Examples
Persons in trade had better be very cautious how they add a fictitious name to their firm, for the purpose of gaining credit.
Anger deposited the films at Schaefer's Camera Store in San Francisco, using the fictitious name of "Jackson" and giving a false address.
It is also known as a ‘doing business as’ (DBA) name, assumed name, or fictitious name.