General use:
* Отлично (otlichno) - This is the most common and versatile way to say "great". It can be used in many situations, like expressing your satisfaction, approval, or excitement.
* Прекрасно (prekrasno) - This is a more formal and literary way to say "great". It implies something truly exceptional or beautiful.
* Замечательно (zamechatel'no) - This is a more enthusiastic way to say "great" and emphasizes the positive nature of something.
Other options:
* Хорошо (horosho) - This means "good" but can also be used to mean "great" in a more casual setting.
* Супер (super) - This is a slang term for "great" and is widely used by younger generations.
* Круто (kruto) - This is another slang term for "great" and means "cool" or "awesome".
The best word to use depends on the context and your level of formality.