Word Study
navigational
CIDE DICTIONARY
navigational, adj.
of or pertaining to navigation; used in navigation; as, navigational aids. [WordNet 1.5]
THESAURUS
navigational
cartographic, chorographic, geodetic, geographic, locational, marine, maritime, nautical, naval, ocean-going, oceanic, pelagic, positional, regional, salty, seafaring, seamanlike, seamanly, situal, situational, topographic, water-borneFor further exploring for "navigational" in Webster Dictionary Online