Source : Webster's Revised Unabridged Dictionary (1913)

Repent \Re*pent"\, v. t.
   1. To feel pain on account of; to remember with sorrow.

            I do repent it from my very soul.     --Shak.

Repent \Re"pent\ (r?"p?nt), a. [L. repens, -entis, creeping, p.
   pr. of repere to creep.]
   1. (Bot.) Prostrate and rooting; -- said of stems. --Gray.

   2. (Zo["o]l.) Same as {Reptant}.

Repent \Re*pent"\ (r?-p?nt"), v. i. [imp. & p. p. {Repented}; p.
   pr. & vb. n. {Repenting}.] [F. se repentir; L. pref. re- re-
   + poenitere to make repent, poenitet me it repents me, I
   repent. See {Penitent}.]
   1. To feel pain, sorrow, or regret, for what one has done or
      omitted to do.

            First she relents With pity; of that pity then
            repents.                              --Dryden.

   2. To change the mind, or the course of conduct, on account
      of regret or dissatisfaction.

            Lest, peradventure, the people repent when they see
            war, and they return to Egypt.        --Ex. xiii.
                                                  17.

   3. (Theol.) To be sorry for sin as morally evil, and to seek
      forgiveness; to cease to love and practice sin.

            Except ye repent, ye shall likewise perish. --Luke
                                                  xii. 3.

Source : WordNet®

repent
     v 1: turn away from sin or do penitence [syn: {atone}]
     2: feel remorse for; feel sorry for; be contrite about [syn: {regret},
         {rue}]