understandable
un·ders·tan·dable
adjective
1.
capable of being apprehended or understood
Origin
From Middle English understondable, equivalent to understand + -able.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.