Formal:
* باشه (bashe): This is the most common and neutral way to say "okay." It literally means "be" and implies agreement.
* خوبه (khoobe): This means "good" and is often used as a polite way to say "okay."
* خیلی خب (kheyli khob): This means "very good" and is more emphatic than "khoobe."
Informal:
* باش (bash): This is a more casual version of "bashe."
* اوکی (oki): This is the English word "okay" and is widely used in Farsi.
* چشم (cheshm): This literally means "eye" and is used to indicate that you have heard and understood. It is often used as a way to say "okay" in response to a request.
* حله (halle): This means "solved" and is used to indicate that something is settled or agreed upon.
Other options:
* بله (bale): This means "yes" and can also be used to indicate agreement, especially in formal settings.
* من درک کردم (man derak kardan): This means "I understand" and can be used to acknowledge that you have heard and understood what someone has said.
The best way to choose which phrase to use depends on the situation. If you're not sure, it's always safe to use "bashe."