agreement

noun5

1. •
   A state whereby several parties share a view or opinion; the state of not contradicting one another.

   • The results of my experiment are in agreement with those of Michelson and with the law of General Relativity.
2. •
   an arrangement between people or groups about what each of them will do

   • The UK and US negotiators were nearing agreement.
   • He nodded his agreement.
3. •
   A legally binding contract enforceable in a court of law.
4. •
   Rules that exist in many languages that force some parts of a sentence to be used or inflected differently depending on certain attributes of other parts.
5. •
   [in the plural] (no longer used) An agreeable quality.

   • Her nymph-like features such agreements have / That I could venture with her to the grave [...]. — 1650