v. a·greed, a·gree·ing, a·grees
a. To share an opinion or feeling; be in accord: I agree with you on that. We agree in our taste in music.
b. To express consent; concur: We agreed to her suggestion. See Synonyms at assent.
c. To accept or support a policy or program: I agree with the flat tax.
d. To come to an understanding or agreement, as by negotiating: We agreed on the price.
2. To be compatible or consistent: The copy agrees with the original. Your story agrees with mine. See Synonyms at correspond.
3. To be suitable, appropriate, pleasing, or healthful: Spicy food does not agree with me.
4. Grammar To correspond in gender, number, case, or person.
1. To share an opinion about (something): My doctor and I agree that I should quit smoking.
2. To grant or concede: My parents agreed that we should be allowed to go. I agreed to help my parents clean the house.
[Middle English agreen, from Old French agreer, from Vulgar Latin *aggrātāre : Latin ad-, ad- + Latin grātus, pleasing; see gwerə-2 in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.