Incognito.
to furnish with a false appearance or an assumed identity
He did not want to be recognized, so he wore a disguise. After the loss, the players could not disguise their disappointment.
His disguise made him unnoticeable amongst the chanting monks.
The disguise was quickly seen through. He created a disguise that would fool his mother.
Some one can sue you for almost any reason.They might win in the case of an assumed name if you were holding yourself out to be that person (or letting others assume you were), or if you were engaged in fraud while using that name (thus impairing their reputation in the community).
Another name for assumed name is pseudonymous
An assumed name is an alias, especially one adopted in order to deceive people.
The detective wore an enviable disguise
Prevent recognition and Pass initial scrutiny
Lola Lufnangle
The name of Michael Jackson's assumed son was Omer Bhatti.
The goals of using a disguise are to conceal one's identity, blend in with a different persona or environment, and avoid detection or recognition. Disguises are commonly used in espionage, undercover operations, criminal activities, or for personal safety reasons.