PERSONA : 

the aspect of someone's character that is presented to or perceived by others.

PERSONA : 

While a persona is not considered a lie or a falsehood, its meaning implies that it is only part of the truth. There is "real" person beneath. 

PERSONA :

 The way you behave, talk, etc., with other people that causes them to see you as a particular kind of person : the image or personality that a person presents to other people

PERSONA:

the mechanism that conceals a person's true thoughts and feelings, esp in his adaptation to the outside world