The term 'aboard' is used to describe the act of being ON a vehicle, such as a ship, plane, or train. The crossword solutions for this term include 'consigned' (9 letters), 'embarked' (8 letters), 'LOADED' (6 letters), 'ON' (2 letters), 'onboard' (7 letters), 'TRAVELING' (9 letters), 'ONTO' (4 letters), 'all' (3 letters), and 'ASEA' (4 letters). These words all describe the act of getting ON a vehicle, either by loading items ONTO it, embarking ON it, or TRAVELING ON it. Additionally, 'onship' (6 letters) is another word that can be used to describe the act of being aboard a ship.