THESAURUS
Swim
Australian crawl, aquaplaning, aquatics, backstroke, balneation, bathe, bathing, bon ton, breaststroke, butterfly, convention, crawl, custom, dive, diving, dog paddle, fashion, fin, fishtail, flapper, flipper, float, floating, go in swimming, go in wading, haute couture, high fashion, mode, natation, prevailing taste, proper thing, reel, sidestroke, skinny-dip, stream of fashion, style, surfboarding, surfing, swimming, tread water, treading water, trend, turn, vogue, wade, wading, waterskiing, whirl
ROGET THESAURUS
Swim
Navigation
VB
sail, put to sea, take ship, get under way, set sail, spread sail, spread canvas, gather way, have way on, make sail, carry sail, plow the waves, plow the deep, plow the main, plow the ocean, walk the waters, navigate, warp, luff, scud, boom, kedge, drift, course, cruise, coast, hug the shore, hug the land, circumnavigate, ply the oar, row, paddle, pull, scull, punt, steam, swim, float, buffet the waves, ride the storm, skim, effleurer, dive, wade, fly, be wafted, hover, soar, flutter, jet, orbit, rocket, take wing, take a flight, take off, ascend, blast off, land, alight, wing one's flight, wing one's way, aviate, parachute, jump, glide.
Ascent
VB
ascend, rise, mount, arise, uprise, go up, get up, work one's way up, start up, shoot up, go into orbit, float up, bubble up, aspire, climb, clamber, ramp, scramble, escalade, surmount, shin, shinny, shinney, scale, scale the heights, raise, elevate, go aloft, fly aloft, tower, soar, take off, spring up, pop up, jump up, catapult upwards, explode upwards, hover, spire, plane, swim, float, surge, leap.
Levity
VB
be light, float, rise, swim, be buoyed up, render light, lighten, leaven.