THESAURUS
Nautical
bathymetric, bathyorographical, boating, deep-sea, hydrographic, marine, maritime, naval, navigational, ocean-going, oceanic, oceanographic, pelagic, sailing, salty, seafaring, seagoing, seamanlike, seamanly, terriginous, thalassic, water-borne, yachting
ROGET THESAURUS
Nautical
Navigation
N
navigation, aquatics, boating, yachting, ship, oar, paddle, screw, sail, canvas, aileron, natation, swimming, fin, flipper, fish's tail, aerostation, aerostatics, aeronautics, balloonery, balloon, ballooning, aviation, airmanship, flying, flight, volitation, wing, pinion, rocketry, space travel, astronautics, orbital mechanics, orbiting, voyage, sail, cruise, passage, circumnavigation, periplus, headway, sternway, leeway, fairway, mariner, flight, trip, shuttle, run, airlift, sailing, volant, aerostatic, seafaring, nautical, maritime, naval, seagoing, coasting, afloat, navigable, aerial, aeronautic, grallatory, under way, under sail, under canvas, under steam, on the wing, in flight, in orbit, bon voyage, spread the thin oar and catch the driving gale.