affirm - to say or show that something is true - ยืนยัน, รับรอง Articles found: Buakaw affirms Thai nationality (26/01/2023) Anutin has Covid, misses cabinet meeting (28/06/2022) Prawit affirms people's right to rally (17/08/2020) Stock exchange could break record soon (Updated) (17/10/2017) Trump-Prayut phone call: Closer ties begin (02/05/2017)