Here are some other Tagalog words and phrases that convey similar meanings:
* Madaling paniwalaan: This literally means "easy to believe" and implies a person who readily accepts things without questioning them.
* Walang muwang: This means "innocent" or "naive" and suggests someone who is unaware of the world's complexities.
* Mabilis maniwala: This means "quick to believe" and emphasizes the speed with which someone accepts something.
* Mahina ang ulo: This literally means "weak head" and is a more informal way to say someone is gullible.
The best translation will depend on the specific context and the nuance you want to convey.