1. [v]  allow or plan for a certain possibility; concede the truth or validity of something; "I allow for this possibility"; "The seamstress planned for 5% shrinkage after the first wash"
2. [v]  give or assign a share of money or time to a particular person or cause; "I will earmark this money for your research"
3. [v]  give permission; "She permitted her son to visit her estranged husband"; "I won't let the police search her basement"; "I cannot allow you to see your exam"
4. [v]  allow the presence of or allow (an activity) without opposing or prohibiting; "We don't allow dogs here"; "Children are not permitted beyond this point"; "We cannot tolerate smoking in the hospital"
5. [v]  let have; "grant permission"; "Mandela was allowed few visitors in prison"
6. [v]  grant as a discount or in exchange; "The camera store owner allowed me $50 on my old camera"
7. [v]  make it possible through a specific action or lack of action for something to happen; "This permits the water to rush in"; "This sealed door won't allow the water come into the basement"; "This will permit the rain to run off"
8. [v]  allow the other team to score; "give up a run", in baseball
9. [v]  make a possibility or provide opportunity for; permit to be attainable or cause to remain; "This leaves no room for improvement"; "The evidence allows only one conclusion"; "allow for mistakes"; "leave lots of time for the trip"
10. [v]  afford possibility; "This problem admits of no solution"; "This short story allows of several different interpretations"

ALLOW is a 5 letter word that starts with A.

1. \Al*low"\, v. t. [imp. & p. p. {Allowed}; p. pr. & vb. n.
   {Allowing}.] [OE. alouen, OF. alouer, aloer, aluer, F.
   allouer, fr. LL. allocare to admit as proved, to place, use;
   confused with OF. aloer, fr. L. allaudare to extol; ad +
   laudare to praise. See {Local}, and cf. {Allocate}, {Laud}.]
   1. To praise; to approve of; hence, to sanction. [Obs. or
      Archaic]
            Ye allow the deeds of your fathers.   --Luke xi. 48.
            We commend his pains, condemn his pride, allow his
            life, approve his learning.           --Fuller.
   2. To like; to be suited or pleased with. [Obs.]
            How allow you the model of these clothes?
                                                  --Massinger.
   3. To sanction; to invest; to intrust. [Obs.]
            Thou shalt be . . . allowed with absolute power.
                                                  --Shak.
   4. To grant, give, admit, accord, afford, or yield; to let
      one have; as, to allow a servant his liberty; to allow a
      free passage; to allow one day for rest.
            He was allowed about three hundred pounds a year.
                                                  --Macaulay.
   5. To own or acknowledge; to accept as true; to concede; to
      accede to an opinion; as, to allow a right; to allow a
      claim; to allow the truth of a proposition.
            I allow, with Mrs. Grundy and most moralists, that
            Miss Newcome's conduct . . . was highly
            reprehensible.                        --Thackeray.
   6. To grant (something) as a deduction or an addition; esp.
      to abate or deduct; as, to allow a sum for leakage.
   7. To grant license to; to permit; to consent to; as, to
      allow a son to be absent.
   Syn: To allot; assign; bestow; concede; admit; permit;
        suffer; tolerate. See {Permit}.
   

2. \Al*low"\, v. i.
   To admit; to concede; to make allowance or abatement.
         Allowing still for the different ways of making it.
                                                  --Addison.
   {To allow of}, to permit; to admit. --Shak.