also: よーし · ようし
interjection
alright!; OK!; looking good!
An interjection expressing approval, readiness, or satisfaction. Often used when starting something or acknowledging a good situation.
よし、始めよう。
Alright, let's get started.
よし、これで大丈夫だ。
OK, this should be fine now.
Derived from the adjective 良い (よい/いい), with the classical terminal form よし used as an interjection.