Some are volunteered or discharged, usually in response or in anticipation of service.
Meanings of Gratuity
Indications for waiters, taxi drivers, etc.
Sentences of Gratuity
However, for example, special points given to drivers at Christmas cannot be taxed.
Synonyms of Gratuity
perquisite , fringe benefit , benefaction , reward, handout, baksheesh, donation, bounty , present, recompense , donation , little something , perk , largesse , tip, grease palm , boon, boon , gift, reward , sweetener , contribution , present , offering , alms , token , salve , recompense, bonus