1. Understandable
His anger is understandable.
I think that it's completely understandable if she turns down his offer.
These bureaucratic procedures are not understandable for a normal person!
You have to put the facts into a form that's understandable to everyone.
The Koran, far from being inimitable, is a literary work of inferior quality, as it is neither clear, nor understandable, nor does it possess any practical value and is certainly not a revealed book.
The fact that educated Americans in general no longer share understandable background knowledge is a chief cause of their inability to communicate effectively.
Our smile, which is understandable in the context of Japanese culture, sometimes causes a lot of confusion and is notorious among foreign people as a mysterious smile.
Good doctors explain things to patients in easily understandable ways, using anatomical models and such.