Related Clues:

• Be compatible
• Prosper
• Order beside a car door
• Gain admission
• Standard pick-up line?
• Board, as the bus
• Are friends
• Invitation to a hitchhiker
• Mount, as a horse
• ''Sure, I'll give you a ride''
• 'Hop aboard'
• Board, as a train
• Be accepted
• Climb aboard
• Make progress