Related Clues:

• Consent (to)
• Make it official
• Shake, perhaps
• Think alike
• Just say yes
• Give the OK
• Consort
• Conclude negotiations
• What 'I' and 'am' do
• Side (with)
• Go together well
• Reach an accord
• Please, with 'with'
• Nod in unison
• Feel the same way