Open English Wordnet
Nouns
(n)identity, personal identity, individualitythe distinct personality of an individual regarded as a persisting entity“you can lose your identity when you join the army”
(n)identity, identity element, identity operatoran operator that leaves unchanged the element on which it operates“the identity under numerical multiplication is 1”
(n)identity, identicalness, indistinguishabilityexact sameness“they shared an identity of interests”
