'referent' definitions:

Definition of 'referent'

From: WordNet
adjective
Having reference; "judgments referent to the indictment"
noun
Something referred to; the object of a reference
noun
The first term in a proposition; the term to which other terms relate
noun
Something that refers; a term that refers to another term

Synonyms of 'referent'

From: Moby Thesaurus