1 handle, manage, behave or act toward(s), deal with; use:
Why should we treat female employees any differently?
2 handle, manage, deal with, discuss, touch on or upon, consider, take up, study, examine, explore, investigate, scrutinize, analyse, go into, probe, survey, expound (on), criticize, review, critique:
That subject is treated in Chapter VI.
3 nurse, doctor, attend, care for, look after, prescribe for, medicate:
He is being treated for gallstones.
4 entertain, take out, pay for, regale, play host to; wine and dine:
Our visitors treated us when we went out to dinner yesterday.
5 treat (someone) to (something). pay (the bill) for, buy (something) for:
Edward treated us all to ice-cream.
6 favour, gift, present, boon, bonus, premium, Colloq US and Canadian freebie:
Put your money away - this is my treat.