How do I Say and Write
"Identity" in Japanese?

Pronunciation : I*den"ti*ty
Part of Speech : n.;
Etymology : [F. identit?, LL. identitas, fr. L. idem the same, from the root of is he, that; cf. Skr. idam this. Cf. Item.]
Definition : 1. The state or quality of being identical, or the same; sameness. Identity is a relation between our cognitions of a thing, not between things themselves. Sir W. Hamilton.

2. The condition of being the same with something described or asserted, or of possessing a character claimed; as, to establish the identity of stolen goods.

3. (Math.)

Defn: An identical equation.

pl. Identities.
Source : Webster's Unabridged Dictionary, 1913