An expression of approval is a way to show appreciation or admiration for someone or something. PLAUDIT (7 letters) is a formal expression of praise or approval, often given in the form of applause. BRAVO (5 letters) is an exclamation used to express approval or admiration. ENCOURAGEMENT (13 letters) is the act of giving someone support, confidence, or hope. HAND (4 letters) is a gesture of approval or agreement. Sayso (5 letters) is an informal expression of approval or agreement. Niceone (7 letters) is an informal expression of approval or congratulations. Bullyforyou (11 letters) is an informal expression of approval or ENCOURAGEMENT.