Informal:
* ঠিক আছে (thik ache): This is the most common and informal way to say "OK."
* হ্যাঁ (haan): This is a simple "yes," but it can also mean "OK" in many situations.
* চলবে (cholbe): This literally means "it will work," but it's used to mean "OK" or "all right."
Formal:
* ভালো (valo): This means "good" and can be used to express agreement or acceptance, similar to "OK."
* ঠিক আছে (thik ache): This can be used in a formal context as well, but it's less common.
Other:
* হুম (hum): This is a very short and informal "yes," similar to "uh-huh" in English.
* ঠিক (thik): This means "correct" or "right" and can be used to agree with something or express understanding.
It's important to choose the right phrase based on the situation and your relationship with the person you're speaking to.