For general "fabulous":
* Napakaganda (pronounced na-pa-ka-gan-da) - This literally means "very beautiful" and is commonly used for something impressive or outstanding.
* Kahanga-hanga (pronounced ka-han-ga-han-ga) - Meaning "wonderful" or "amazing", this emphasizes the awe-inspiring nature of something.
* Maganda (pronounced ma-gan-da) - A more general term for "beautiful" that can also be used to describe something excellent or impressive.
* Nakamamanghang (pronounced na-ka-ma-man-ghang) - Meaning "stunning" or "breathtaking," this emphasizes the beauty and wonder of something.
For "fabulous" in a more slangy sense, like "That party was fabulous!":
* Galing (pronounced ga-ling) - This is a versatile word that can mean "great," "excellent," or "awesome."
* Astig (pronounced as-tig) - This slang term means "cool" or "awesome."
* Sulit (pronounced soo-lit) - This means "worth it" or "amazingly good," implying that something was very enjoyable or rewarding.
For "fabulous" as in "She looks fabulous!":
* Napakaganda niya (pronounced na-pa-ka-gan-da ni-ya) - This means "She is very beautiful."
* Ang ganda niya (pronounced ang gan-da ni-ya) - This means "She is beautiful" and is a more common way of saying it.
The best translation will depend on the specific situation and what you want to convey.