The Collaborative International Dictionary of English v.0.48:

Leisurely \Lei"sure*ly\ (l[=e]"zh[-u]r*l[y^]), a.
   Characterized by leisure; taking abundant time; not hurried;
   as, a leisurely manner; a leisurely walk.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Leisurely \Lei"sure*ly\, adv.
   In a leisurely manner. --Addison.
   [1913 Webster] Leitmotif

WordNet (r) 3.0 (2006):

leisurely
    adv 1: in an unhurried way or at one's convenience; "read the
           manual at your leisure"; "he traveled leisurely" [syn:
           at leisure, leisurely]
    adj 1: not hurried or forced; "an easy walk around the block";
           "at a leisurely (or easygoing) pace" [syn: easy,
           easygoing, leisurely]

Moby Thesaurus II by Grady Ward, 1.0:

106 Moby Thesaurus words for "leisurely":
   ambling, cautious, cautiously, circumspect, circumspectly,
   claudicant, comfortable, crawling, crawlingly, creeping,
   creeping like snail, creepingly, delayed, deliberate, deliberately,
   dilatorily, dilatory, easily, easy, faltering, falteringly,
   flagging, foot-dragging, gentle, gently, gradual, halting,
   haltingly, hasteless, hobbled, hobbling, idle, idly, in low gear,
   in march time, in slow motion, in slow tempo, inactive, indolent,
   indolently, lackadaisically, laggard, languid, languidly,
   languorous, languorously, lax, lazy, limping, limpingly,
   lingeringly, loiteringly, lumbering, moderate, moderately, pokily,
   poking, pokingly, poky, relaxed, relaxedly, reluctant, reluctantly,
   restful, retarded, 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, slowly,
   sluggish, sluggishly, snail-paced, snaillike, staggering,
   strolling, tardily, tarryingly, tentative, tentatively, toddling,
   tortoiselike, tottering, trudging, turtlelike, under easy sail,
   unhasty, unhurried, unhurriedly, waddling, with agonizing slowness,
   with deliberation