The word "disagree" means to have a different opinion or feeling about something. Its antonyms are words that mean the opposite. Some antonyms of disagree are:
1. Agree: When two or more people have the same opinion or feeling about a particular matter, they agree.
2. Concur: It means to have the same opinion as someone else or to support their view.
3. Accord: When two people or groups have harmonious views or come to an understanding, they reach an accord.
4. Harmonize: It means to match or blend well, indicating agreement.
5. Comply: When one person follows what another person suggests or agrees with, they comply.
These antonyms of disagree demonstrate the varying degrees of agreement and understanding that people can share about a specific concern.