affirm

Etymology

From Middle English affermen, from Old French afermer, affermer, from Latin affirmare, adfirmare (“to present as fixed, aver, affirm”), from ad (“to”) + firmare (“to make firm”), from firmus (“firm”).

verb

1. To agree, verify or concur; to answer positively.
   She affirmed that she would go when I asked her.
2. To assert positively; to tell with confidence; to aver; to maintain as true.
3. To support or encourage.
   They did everything they could to affirm the children's self-confidence.
   gender-affirming; trans-affirming (LGBT)
   Kate pointed out that these similarities between the various accounts of parents with trans children attracts criticism from those commentators who argue that trans children do not exist or should not be affirmed in their gender. August 24 2021, Shon Faye, “‘I feel like it’s quite shaky acceptance’: trans kids and the fight for inclusion”, in The Guardian
4. To make firm; to confirm, or ratify; especially (law) to assert or confirm, as a judgment, decree, or order, brought before an appellate court for review.
5. (law) To state under a solemn promise to tell the truth which is considered legally equivalent to an oath, especially of those who have religious or other moral objections to swearing oaths; also solemnly affirm.