General terms:
* Mapagkakatiwalaan - This is the most common and direct translation of "trustworthy."
* Mapagkakatibayan - This means "reliable" or "dependable," which can also be used for "trustworthy."
* Matapat - This means "honest" or "faithful," and can be used to describe someone who is trustworthy.
* Pinagkakatiwalaan - This translates to "trusted" and emphasizes that someone has already proven to be trustworthy.
More specific terms:
* Maasahan - This means "dependable" or "reliable," and is often used for someone who is trustworthy in a practical sense.
* Tapat sa salita - This literally means "true to one's word," implying that someone is trustworthy because they always keep their promises.
* Marangal - This means "honorable" or "upright," and can be used to describe someone who is trustworthy because of their strong moral character.
The best translation for "trustworthy" will depend on the specific situation. For example, if you are talking about a friend who is always there for you, "mapagkakatiwalaan" or "maasahan" would be appropriate. If you are talking about a business partner who is honest and fair, "matapat" or "marangal" would be better.
Ultimately, the best translation is the one that best conveys the intended meaning and nuance of the original English word.