OFFICIATING Scrabble 20 Words With Friends 23 Definition noun the act of umpiring. — synonyms: umpirage, officiation, refereeing Examples “She officiated as registrar at the wedding.”“He's never officiated a cup-final before.” See all 164 words you can make from OFFICIATING → 11-letter words Words starting with O Words ending with G ← Unscramble different letters