navigate (v.) Look up navigate at Dictionary.com
1580s, a back-formation from navigation, or else from Latin navigatus, past participle of navigare "to sail, sail over, go by sea, steer a ship," from navis "ship" (from PIE root *nau- "boat") + root of agere "to set in motion, drive, drive forward" (from PIE root *ag- "to drive, draw out or forth, move"). Extended to balloons (1784) and later to aircraft (1901). Related: Navigated; navigating.