Related Clues:

• Make reparation for a misdeed
• Harmony or agreement
• Voices in complete agreement
• Sameness in pitch
• In agreement or concord
• Concord, sounding or singing together
• Assented, acquiesced
• Had the same opinion
• Expressed willingness
• In agreement - sounds singular
• All together, chaps
• All together in unison - males only
• Acceded
• Sounding together at the same pitch
• As one, singers perhaps