affirm
verb
[ əˈfəːm ]
• state emphatically or publicly.
• "he affirmed the country's commitment to peace"
Similar:
declare,
state,
assert,
aver,
proclaim,
pronounce,
attest,
swear,
avow,
vow,
guarantee,
promise,
certify,
pledge,
give one's word,
give an undertaking,
asseverate,
• offer (someone) emotional support or encouragement.
• "there are five common ways parents fail to affirm their children"
Origin:
Middle English (in the sense ‘make firm’): via Old French from Latin affirmare, from ad- ‘to’ + firmus ‘strong’.