The Collaborative International Dictionary of English v.0.48:

Cram \Cram\ (kr[a^]m), v. t. [imp. & p. p. Crammed (kr[a^]md);
   p. pr. & vb. n. Cramming.] [AS. crammian to cram; akin to
   Icel. kremja to squeeze, bruise, Sw. krama to press. Cf.
   Cramp.]
   1. To press, force, or drive, particularly in filling, or in
      thrusting one thing into another; to stuff; to crowd; to
      fill to superfluity; as, to cram anything into a basket;
      to cram a room with people.
      [1913 Webster]

            Their storehouses crammed with grain. --Shak.
      [1913 Webster]

            He will cram his brass down our throats. --Swift.
      [1913 Webster]

   2. To fill with food to satiety; to stuff.
      [1913 Webster]

            Children would be freer from disease if they were
            not crammed so much as they are by fond mothers.
                                                  --Locke.
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            Cram us with praise, and make us
            As fat as tame things.                --Shak.
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   3. To put hastily through an extensive course of memorizing
      or study, as in preparation for an examination; as, a
      pupil is crammed by his tutor.
      [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

115 Moby Thesaurus words for "crammed":
   SRO, allayed, awash, bloated, brimful, brimming, bristling,
   bulging, bursting, capacity, chock-full, choked, chuck-full, close,
   close-knit, close-textured, close-woven, cloyed, compact,
   compacted, compressed, concentrated, concrete, condensed,
   congested, consolidated, cram-full, crammed full, crawling,
   crowded, dense, disgusted, distended, drenched, engorged, farci,
   fed-up, filled, filled to overflowing, firm, flush, full, full of,
   full to bursting, gluey, glutted, gorged, hard, heavy, hyperemic,
   impenetrable, impermeable, in spate, jaded, jam-packed, jammed,
   loaded, massive, nonporous, overblown, overburdened, overcharged,
   overfed, overflowing, overfraught, overfreighted, overfull,
   overgorged, overladen, overloaded, oversaturated, overstocked,
   overstuffed, oversupplied, overweighted, packed,
   packed like sardines, plenary, plethoric, populous, ready to burst,
   replete, round, running over, sated, satiated, satisfied,
   saturated, serried, sick of, slaked, soaked, solid,
   standing room only, stuffed, stuffed up, substantial, supercharged,
   supersaturated, surcharged, surfeited, swarming, swollen, teeming,
   thick, thick-growing, thickset, tired of, topful, viscid, viscose,
   viscous, with a bellyful, with a snootful, with enough of