Formal/Elegant:
* Napakaganda (literally, "very beautiful")
* Napakasikat (literally, "very famous")
* Napakatalino (literally, "very intelligent") - this is used when something is impressive in a sophisticated way.
Informal/Everyday:
* Ang galing! (literally, "How great!")
* Ang astig! (this is a slang term similar to "awesome" or "cool")
* Ang ganda! (literally, "How beautiful!")
* Ang saya! (literally, "How fun!")
For a person:
* Ang ganda mo! (literally, "You are beautiful!") - can be used for both men and women in a complimentary way.
* Ang galing mo! (literally, "You are great!")
The best translation will depend on the specific context and the emotion you want to convey. For example, "The party was fabulous" would be translated as "Napakasaya ng party!" or "Ang galing ng party!"