reaffirm
v. C1 Advanced US //ˌɹiəˈfɝm// UK //ɹˌiːɐfˈɜːm// reaf·firm
v. to say something again to show that you still believe it or agree with it. You use this when you want to make a promise or a fact very clear.
v. to state or assert something again in order to confirm its validity or to express a renewed commitment to it.
The leader reaffirmed his support for the new law.
During the press conference, the minister reaffirmed the government's commitment to reducing carbon emissions by 2030.
The treaty was signed to reaffirm the long-standing alliance between the two nations, ensuring that their shared borders remained peaceful and secure for future generations.
From re- + affirm.