14 letters · 17 points in Scrabble
noun the act of acknowledging that someone has an occasion for celebration
noun (usually plural) an expression of pleasure at the success or good fortune of another
originFrom Middle English congratulacion, from Middle French congratulation or its etymon Latin congrātulātiō, from congrātulor (“to congratulate”). By surface analysis, congratulate + -ion.
Etymology from Wiktionary, CC BY-SA 3.0