On or in a vehicle or vessel; aboard; on board.

(figuratively) To become a part of a group; to incorporate (someone) into a group. / (figuratively) To begin to use a product or service; to take (someone) on as a new customer of a product or service.

On or in a means of transportation. / (idiomatic) Joining in or participating. / (idiomatic) Agreeing or supporting. / (idiomatic) Into itself or oneself.

On a vehicle or vessel; aboard. / Agreeing or supporting; having been taken on board.

(intransitive) To leave or escape. / (intransitive) To come out of a situation; to escape a fate. / (intransitive) To be released, especially from hospital or prison.

(literally) Commanding a person to leave. / Indicating incredulity. / (UK, slang) Expressing disapproval or disgust, especially after a bad joke.

Matching each member of one set with exactly one member of another set. / (chiefly UK) Involving direct communication between two people.

A personal relationship between two people.

(cricket) The act of a captain forcing the other side to bat again immediately after their first innings.

To follow in sequence; to come next. / (cricket, of a team) To bat their second innings immediately after their first innings.