The Collaborative International Dictionary of English v.0.48:

Pucker \Puck"er\, v. t. & i. [imp. & p. p. Puckered; p. pr. &
   vb. n. Puckering.] [From Poke a pocket, small bag.]
   To gather into small folds or wrinkles; to contract into
   ridges and furrows; to corrugate; -- often with up; as, to
   pucker up the mouth. "His skin [was] puckered up in
   wrinkles." --Spectator.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

42 Moby Thesaurus words for "puckered":
   clamped, cockled, cockly, compressed, concentrated, condensed,
   consolidated, constricted, contracted, corrugate, corrugated,
   cramped, creased, crimped, crimpy, crinkled, crinkly, crumpled,
   furrowed, knitted, knotted, nipped, pinched, pinched-in, puckery,
   pursed, pursy, ridged, rimpled, rippled, rucked, rugged, rugose,
   rugous, rumpled, solidified, squeezed, strangled, strangulated,
   wasp-waisted, wrinkled, wrinkly