jumped on board
- boardedEntered a vessel
- hopped onBoarded with a quick movement
- embarkedBegan a journey
- joinedLinked or united
- signed upFormally agreed to participate
enlisted · committed · bandwagon · ship · train · deck · gangplank · leaped · enthusiastic · eager · momentum · movement · opportunity · supporter · believer · convert · recruit · team
commitment/participation
jumped on boardopted out
Chose not to participate
bailed out · jumped ship · declined · refused · rejected
timing/hesitation
jumped on boardhesitated
Paused from uncertainty
dragged one's feet · held off · sat on the fence · dithered · hemmed and hawed