Source : Webster's Revised Unabridged Dictionary (1913)

Pall \Pall\, v. i. [imp. & p. p. {Palled}; p. pr. & vb. n.
   {Palling}.] [Either shortened fr. appall, or fr. F. p[^a]lir
   to grow pale. Cf. {Appall}, {Pale}, a.]
   To become vapid, tasteless, dull, or insipid; to lose
   strength, life, spirit, or taste; as, the liquor palls.

         Beauty soon grows familiar to the lover, Fades in the
         eye, and palls upon the sense.           --Addisin.

Source : WordNet®

pal
     n : a close friend who accompanies his buddies in their
         activities [syn: {buddy}, {brother}, {chum}, {crony}, {sidekick}]
     [also: {palling}, {palled}]

pal
     v : become friends; act friendly towards [syn: {pal up}, {chum
         up}]
     [also: {palling}, {palled}]

palled
     See {pal}