agree to
The word "same" in French is "même."
I have seen the word "doublet" used to mean two words that come from the same root word.
A homophone is a word that is pronounced the same as another but has a different meaning. The homophone for the word wood is would.
The prefix im- has the same meaning in the word "improper." Both "impolite" and "improper" use the prefix im- to indicate negation or a lack of propriety or politeness.
agree to
I assent to your demands, sir.
Assent as a verb: Assenting to her demands, I did as she requested. Assent as a noun: When told they were going to see The Avengers, Jayne nodded her assent.
A homophone for the word ascent would be assent. Many confused people think accent is a homophone of ascent. They are wrong. Accent is pronounced ak-sent and ascent is pronounced as-sent.
agree to
The team is seeking your official assent, but we'll go without it.
There are a couple definitions given for the word "assent." The basic meaning of the word is to agree or concur. Or basically, to give consent to something.
Approval, assent, acquiescence can all mean to give permission.
Assent means to agree to something after careful consideration...so After yesterday's deliberations on the issue of gun control, i now assent to vote yes for House Bill 113.
Laugh would mean the same.
In some contexts the word visionary would mean the same as dreamer.
A word that would mean the same as gripping tightly could be Grasp or Cluch/Clench.