gratuity
1. [ noun ] (work,business) a relatively small amount of money given for services rendered (as by a waiter)
Synonyms: tip bakshis bakshish backsheesh pourboire baksheesh
Related terms: fringe_benefit Christmas_box tip
2. [ noun ] an award (as for meritorious service) given without claim or obligation
Related terms: prize
Similar spelling:   gratuitous
  gradation
  gradatory
  gradate
  gradational