There are plenty of synonyms for the word "understandable". Some of the commonly used synonyms for this word include comprehensible, intelligible, logical, clear, apparent, coherent, articulate, fathomable, and explicit. "Comprehensible" suggests that something is easy to grasp or comprehend, while "intelligible" is used to describe something that can be understood without much effort. "Logical" is employed when something is reasonable and makes sense, while "clear" implies that something is free of ambiguity or doubt. "Articulate" is used to describe something that is expressed clearly and fluently, while "fathomable" suggests that something is easy to probe or understand completely. Finally, "explicit" implies that something is stated or written in a clear and concise manner.