Ok

괜찮다

gwaenchanta

(all right, permitted)

괜찮다

gwaenchanta

(satisfactory — see also acceptable, good)

괜찮다

gwaenchanta

(in good health or in a good emotional state — see also well)

오케이

okei

(all right, permitted)

알겠습니다

algetseumnida

(acknowledgement or acceptance)

알겠어요

algesseoyo

(acknowledgement or acceptance)

알았어

arasseo

(acknowledgement or acceptance)

알았어요

arasseoyo

(acknowledgement or acceptance)

괜찮아

gwaenchana

(endorsement; approval)

오케이

okei

(endorsement; approval)

확인

hwagin

(computing: to activate the OK button — see also accept)