refer to; "he referenced his colleagues work" (同)cite
the act of referring or consulting; "reference to an encyclopedia produced the answer" (同)consultation
the most direct or specific meaning of a word or expression; the class of objects that an expression refers to; "the extension of `satellite of Mars is the set containing only Demos and Phobos" (同)denotation, extension
a publication (or a passage from a publication) that is referred to; "he carried an armful of references back to his desk"; "he spent hours looking for the source of that quotation" (同)source
the relation between a word or phrase and the object or idea it refers to; "he argued that reference is a consequence of conditioned reflexes"