deictic

(noun) a word specifying identity or spatial or temporal location from the perspective of a speaker or hearer in the context in which the communication occurs. Synonyms: deictic word. Example: "Words that introduce particulars of the speaker's and hearer's shared cognitive field into the message"- r.rommetveit."

(adj) relating to or characteristic of a word whose reference depends on the circumstances of its use. Example: "Deictic pronouns."