verb

1. To grant, give, admit, accord, afford, or yield; to let one have.

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

2. To acknowledge; to accept as true; to concede; to accede to an opinion.

   “to allow a right;  to allow a claim;  to allow the truth of a proposition”

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

   “To allow a sum for leakage.”

Synonyms: admit, allot, assign, bestow, concede, let, permit, suffer

adjective

1. Allotted.

2. Acknowledged; admitted to be true.

3. Permitted, authorized.