Related Clues:

• Join with others
• Togetherness (of sound and picture, say)
• Hostile male's disregarded order
• Organize in a row
• Go down for an audition, in time to be in it
• Dress; make straight
• In which one's matching a bathroom feature, say
• In which things occur simultaneously and decline in sound?
• Melody; adjust (engine)
• Ally (oneself with)
• Key the engine!
• Adjust (car engine); air
• Adjust (to a situation)
• Arrange in a line
• Climbing fan finds peak of Everest a strain