Webster's Revised Unabridged Dictionary · 1913

Identical

Identical , adjective

[Compare French identique. See Identity.]

1.
The same; the selfsame; the very same; not different; as, the identical person or thing.
I can not remember a thing that happened a year ago, without a conviction... that I, the same identical person who now remember that event, did then exist. — Reid
2.
Uttering sameness or the same truth; expressing in the predicate what is given, or obviously implied, in the subject; tautological.
When you say body is solid, I say that you make an identical proposition, because it is impossible to have the idea of body without that of solidity. — Fleming
Collocations (1)
Identical equation (Algebra) , an equation which is true for all values of the algebraic symbols which enter into it.