The Collaborative International Dictionary of English v.0.48:
Amble \Am"ble\, v. i. [imp. & p. p. Ambled; p. pr. & vb. n.
Ambling.] [F. ambler to amble, fr. L. ambulare to walk, in
LL., to amble, perh. fr. amb-, ambi-, and a root meaning to
go: cf. Gr. ? to go, E. base. Cf. Ambulate.]
1. To go at the easy gait called an amble; -- applied to the
horse or to its rider.
2. To move somewhat like an ambling horse; to go easily or
without hard shocks.
The skipping king, he ambled up and down. --Shak.
Sir, your wit ambles well; it goes easily. --Shak.
Moby Thesaurus II by Grady Ward, 1.0:
79 Moby Thesaurus words for "ambling":
ambulation, backpacking, cautious, circumspect, claudicant,
crawling, creeping, creeping like snail, deliberate, easy,
faltering, flagging, foot-dragging, footing, footing it, footwork,
gentle, going on foot, gradual, halting, hiking, hitchhiking,
hitching, hobbled, hobbling, hoofing, idle, indolent, languid,
languorous, lazy, legwork, leisurely, limping, lumbering, marching,
moderate, pedestrianism, perambulation, poking, poky, relaxed,
reluctant, sauntering, shuffling, slack, slothful, slow,
slow as death, slow as molasses, slow as slow, slow-crawling,
slow-foot, slow-going, slow-legged, slow-moving, slow-paced,
slow-poky, slow-running, slow-sailing, slow-stepped, sluggish,
snail-paced, snaillike, staggering, strolling, tentative, thumbing,
thumbing a ride, toddling, tortoiselike, tottering, tramping,
treading, trudging, turtlelike, unhurried, waddling, walking