Upbeat(adjective)
Cheerful, optimistic, and full of positive energy. (??????? / ??????? / ???????)
Synonyms: Cheerful, Optimistic, Positive, Joyful
Antonyms: Gloomy, Pessimistic, Sad, Depressed
Example: Despite the challenges, she remained upbeat about the future.
Trick to remember: Jo hamesha “up” mood mein rehta hai, wo hi to upbeat hota hai — hamesha khush aur hopeful! 
