on board
Pronunciation:
adjective
Definitions
On or in a means of transportation.
Example: Baby on board
Joining in or participating.
Example: Is that new teammate properly on board yet?
Agreeing or supporting.
Example: It’s a good idea, but let’s see if we can get a few more of the management team on board.
Into itself or oneself.
adverb
Definitions
On a vehicle or vessel; aboard.