gratuity
Gratuity (noun) means a sum of money given to a member of staff for good service, especially in a restaurant or hotel; a tip. Example: “A gratuity of 12.5 per cent has been added to your bill.”
How to use gratuity
Learner’s notesIn plain EnglishExtra money you give a worker to thank them for good service.
Formal. Menus, invoices and cruise contracts use gratuity; people speaking use tip.
Plural gratuities. As an adjective, gratuitous no longer means 'given freely' in everyday use, so do not treat the two as a pair.
Trace the full origin ↓Fill the gap
Can you complete this real example?
A _____ of 12.5 per cent has been added to your bill.
Etymology
Via French gratuité from medieval Latin gratuitas, 'gift', from Latin gratus, 'pleasing, thankful'.