Related Clues:

• Be in accord
• Be simpatico
• See 27-Down
• Manage not to clash
• In --- (harmonious)
• Correspond, grammatically
• Coincide
• What gears do
• Go along
• Have the same idea
• Together, after 'in'
• Compatible (with ''in'')
• It's full of holes
• Fit in
• 'Hollywood Squares' choice