The Collaborative International Dictionary of English v.0.48:

Disport \Dis*port"\, v. t. [OF. desporter. See Disport, v. i.]
   1. To divert or amuse; to make merry.
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            They could disport themselves.        --Buckle.
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   2. To remove from a port; to carry away. --Prynne.
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The Collaborative International Dictionary of English v.0.48:

Disport \Dis*port"\, n. [OF. desport, deport. See Disport, v.
   i., and cf. Sport.]
   Play; sport; pastime; diversion; playfulness. --Milton.
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The Collaborative International Dictionary of English v.0.48:

Disport \Dis*port"\, v. i. [imp. & p. p. Disported; p. pr. &
   vb. n. Disporting.] [OF. se desporter; pref. des- (L. dis-)
   + F. porter to carry; orig. therefore, to carry one's self
   away from work, to go to amuse one's self. See Port
   demeanor, and cf. Sport.]
   To play; to wanton; to move in gayety; to move lightly and
   without restraint; to amuse one's self.
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         Where light disports in ever mingling dyes. --Pope.
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         Childe Harold basked him in the noontide sun,
         Disporting there like any other fly.     --Byron.
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WordNet (r) 3.0 (2006):

disport
    v 1: occupy in an agreeable, entertaining or pleasant fashion;
         "The play amused the ladies" [syn: amuse, divert,
         disport]
    2: play boisterously; "The children frolicked in the garden";
       "the gamboling lambs in the meadows"; "The toddlers romped in
       the playroom" [syn: frolic, lark, rollick, skylark,
       disport, sport, cavort, gambol, frisk, romp, run
       around, lark about]

Moby Thesaurus II by Grady Ward, 1.0:

46 Moby Thesaurus words for "disport":
   acquit, act, antic, bear, brandish, caper, caracole, carry,
   carry on, cavort, comport, conduct, curvet, cut a dido, cut capers,
   cut up, dance, demean, deport, display, diversion, exhibit, expose,
   flash, flaunt, flounce, fool around, frisk, frolic, fun, gambol,
   go on, horse around, jollity, merriment, parade, play, recreate,
   recreation, rollick, romp, show off, skip, sport, trip, trot out