理解力

(1)the capacity for rational thought or inference or discrimination; "we are told that man is endowed with reason and capable of distinguishing good from evil"

(2)合理的思考、推理、あるいは識別の能力

(3)an inclination to support or be loyal to or to agree with an opinion; "his sympathies were always with the underdog"; "I knew I could count on his understanding"

(4)意見を支持する、意見に忠実である、または意見に同意する傾向

(5)an ability to understand the meaning or importance of something (or the knowledge acquired as a result); "how you can do that is beyond my comprehension"; "he was famous for his comprehension of American literature"

(6)何かの意味や重要性を理解する能力（あるいは結果的に取得した知識）

(1)