tarjota (englanniksi)

offer (v: antaa mahdollisuus saada / esittää tarjous / maksaa jonkun syömiset)
treat (v: to entertain with food or drink, especially at one's own expense; to show hospitality to; to pay for as celebration or reward)
serve (v)
pay (v)
pick up the tab (v: the bill, e.g. in restaurant)