Related Clues:

• Substantiates
• Suits, with 'with'
• Meshes
• States firmly
• Sees eye to eye
• Insists
• Is on the same page
• Shakes hands on
• Finds common ground
• States plainly
• States with certainty
• Says decidedly
• States confidently
• States peremptorily
• States unequivocally