Main Entry: ¹sub·sti·tute

Pronunciation: \ˈsəb-stə-ˌtüt, -ˌtyüt\

Function: noun

Etymology: Middle English, from Anglo-French substitut, from Latin substitutus, past participle of substituere to put in place of, from sub- + statuere to set up, place — more at statute

Date: 15th century

: a person or thing that takes the place or function of another

— substitute adjective