agree

heartily, strongly, very much

My parents strongly agree that we should move to a bigger house next year.

absolutely, completely, entirely, fully, wholeheartedly

My parents completely agreed with my decision to study abroad.

broadly, generally

Most people would broadly agree that regular exercise improves both physical and mental health.

gravely, lamely, meekly, soberly, tartly

The manager soberly agreed that the project deadline would need to be postponed.

be inclined to

Most of my friends are inclined to agree that the new café makes the best coffee in town.

about

My parents and I finally agreed about which restaurant to visit for dinner last night.

on/upon

The two countries finally agreed on a trade deal after months of difficult negotiations.

with

I don't agree with your decision to leave the company so suddenly.

I couldn't agree more I

Your cooking is absolutely delicious, and I couldn't agree more with that opinion.

I quite agree, I'm sure you will agree

I quite agree with you that we should leave early to avoid the traffic.

readily

My teacher readily agreed to let us leave early on Friday afternoon.

kindly

My teacher kindly agreed to extend the deadline for our project.

to

She agreed to help us organize the office party next month.

provisionally

The two companies provisionally agreed to merge pending final approval from shareholders.

be unable to, fail to

The committee members failed to agree about which candidate deserved the job.

agree to differ/disagree

My parents and I agreed to disagree about which university I should attend.

(be) mutually agreed

The two companies reached a contract that was mutually agreed upon by both sides.

internationally/nationally agreed

The teachers followed the internationally agreed standards when designing the new curriculum.