13 letters · 25 points in Scrabble
noun a document giving an official instruction or command
noun the power or right to give orders or make decisions
noun official permission or approval
originEtymology tree English authorize Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English authorization From authorize + -ation.
Etymology from Wiktionary, CC BY-SA 3.0