Sameness, identicalness; the quality or fact of (several specified things) being the same.

Doctrine, philosophy, body of beliefs or principles belonging to an individual or group. / (uncountable) The study of the origin and nature of ideas.

(algebra) An element of a structure that produces an identity mapping when applied on the right.

(algebra) An element of a structure that produces an identity mapping when applied on the left.

(algebra) An element of an algebraic structure which when applied, in either order, to any other element via a binary operation yields the other element.

Any poem or short written piece composed in the style of Theocritus' short pastoral poems, the Idylls.

A graven image or representation of anything that is revered, or believed to convey spiritual power. / A cultural icon, or especially popular person.

The act or process of idealizing. / The representation of natural objects, scenes, etc., in such a way as to show their most important characteristics; the study of the ideal.

A behavior or way of thinking that is characteristic of a person. / A language or behaviour that is particular to an individual or group.

(not comparable) Bearing full likeness by having precisely the same set of characteristics; indistinguishable.