11 letters · 11 points in Scrabble
noun an organization founded and united for a specific purpose
noun an establishment consisting of a building or complex of buildings where an organization for the promotion of some cause is situated
noun a custom that for a long time has been an important feature of some group or society
originFrom Middle English institucioun, from Old French institution, from Latin institūtiō, from instituō (“to set up”), from in- (“in, on”) + statuō (“to set up, establish”). Equivalent to institute + -ion.
Etymology from Wiktionary, CC BY-SA 3.0