Captain1. (n.) A head, or chief officer
2. (n.) The military officer who commands a company, troop, or battery, or who has the rank entitling him to do so though he may be employed on other service.
3. (n.) An officer in the United States navy, next above a commander and below a commodore, and ranking with a colonel in the army.
4. (n.) By courtesy, an officer actually commanding a vessel, although not having the rank of captain.
5. (n.) The master or commanding officer of a merchant vessel.
6. (n.) One in charge of a portion of a ship's company; as, a captain of a top, captain of a gun, etc.
7. (n.) The foreman of a body of workmen.
8. (n.) A person having authority over others acting in concert; as, the captain of a boat's crew; the captain of a football team.
9. (n.) A military leader; a warrior.
10. (v. t.) To act as captain of; to lead.
11. (a.) Chief; superior.
Thesaurus Entries
ADC, CO, G-man, MP, OD, administer, administrate, admiral, aeronaut, aeroplaner, aeroplanist, aide, aide-de-camp, air pilot, airplanist, astronaut, aviator, bailiff, barnstormer, be master, be responsible for, beadle, beagle, birdman, boatswain, bound bailiff, brigadier, brigadier general, call the signals, carry on, castellan, catchpole, chair, chatelain, chatelaine, chicken colonel, chief engineer, chief mate, chief of police, chief of staff, chief petty officer, cloud seeder, colonel, command, commandant, commander, commander in chief, commanding officer, commercial pilot, commissioned officer, commissioner, commodore, company officer, conduct, constable, control, copilot, crop-duster, deck officer, deputy, deputy sheriff, detective, direct, director, discipline, engineer, ensign, exec, executive, executive officer, fed, federal, field marshal, field officer, first lieutenant, five-star general, fleet admiral, flic, flier, four-star general, gendarme, general, general officer, generalissimo, govern, government man, governor, handle, head, head up, inspector, instructor, intendant, jemadar, jet jockey, junior officer, lead, lead on, licensed pilot, lictor, lieutenant, lieutenant colonel, lieutenant commander, lieutenant general, lieutenant junior grade, mace-bearer, major, major general, make the rules, manage, manager, maneuver, manipulate, marechal, marshal, master, mastermind, mate, mounted policeman, narc, naval officer, navarch, navigating officer, navigator, officer, one-star general, order, orderly officer, patrolman, patron, peace officer, petty officer, pilot, pipes, police captain, police commissioner, police constable, police inspector, police matron, police officer, police sergeant, policeman, policewoman, portreeve, prescribe, preside over, pull the strings, quarterback, quartermaster, rainmaker, rear admiral, reeve, regulate, risaldar, roundsman, ruler, run, sailing master, second mate, senior officer, sergeant, sergeant at arms, shavetail, sheriff, shipmaster, sirdar, skipper, staff officer, stand over, stunt flier, stunt man, subahdar, subaltern, sublieutenant, superintendent, supervise, take command, take the lead, test pilot, the Old Man, the brass, three-star general, tipstaff, tipstaves, top brass, trooper, two-star general, vice admiral, warrant officer, watch officer, wield authority, wingman