Noun

• S: (n) boarding, embarkation, embarkment (the act of passengers and crew getting aboard a ship or aircraft)
• direct hypernym / inherited hypernym / sister term
• S: (n) departure, going, going away, leaving (the act of departing)
• S: (n) act, deed, human action, human activity (something that people do or cause to happen)
• S: (n) event (something that happens at a given place and time)
• S: (n) psychological feature (a feature of the mental life of a living organism)
• S: (n) abstraction, abstract entity (a general concept formed by extracting common features from specific examples)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• antonym
• derivationally related form
• S: (n) boarding (a structure of boards)

Verb

• S: (v) board, get on (get on board of (trains, buses, ships, aircraft, etc.))
• direct troponym / full troponym
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• antonym
• W: (v) get off [Opposed to: get on] (leave a vehicle, aircraft, etc.)
• sentence frame
• Somebody ----s something
• S: (v) board, room (live and take one's meals at or in) "she rooms in an old boarding house"
• S: (v) board (lodge and take meals (at))
• S: (v) board (provide food and lodging (for)) "The old lady is boarding three men"