allow

To let one have as a suitable share of something.

to allow a servant his liberty; to allow a free passage; to allow one day for rest

[…] he needed a great deal of money, but his uncle only allowed him two thousand roubles a year, which was not enough, and for days together he would run about Moscow with his tongue out, as the saying is.

To permit, to give permission to.

I will allow my son to be absent.

With fresh material, taxonomic conclusions are leavened by recognition that the material examined reflects the site it occupied; a herbarium packet gives one only a small fraction of the data desirable for sound conclusions. Herbarium material does not, indeed, allow one to extrapolate safely: what you see is what you get[…]

To not bar or obstruct.

Although I don't consent to their holding such meetings, I will allow them for the time being.

Smoking (is) allowed only in designated areas.

To acknowledge, accept the truth of; to concede; to accede to an opinion; to say something one agrees on in the context of a larger disagreement or reluctance.

to allow a right; to allow a claim; to allow an appeal

You must allow that disagreeing about politics puts a strain on a relationship.

To grant (something) as a deduction or an addition; especially to abate or deduct.

to allow a sum for leakage