identity
US /aɪˈden.t̬ə.t̬i/
UK /aɪˈden.t̬ə.t̬i/

1.
the fact of being who or what a person or thing is
:
•
He was trying to hide his true identity.
•
The police confirmed the identity of the victim.
2.
the characteristics determining who or what a person or thing is
:
•
Cultural identity is important for many people.
•
The company is trying to establish a new brand identity.