Japanese Word Images for the Word "Understand".
The left side Japanese word "理解する(りかいする-rikaisuru)" means "Understand".
The below images are Japanese word images of some Japanese words which mean "Understand".
You can learn how to write these Japanese words by referring the stroke orders of these words.
Also we often use the Japanese word "会得する(えとくする-etokusuru)" for translating this word into Japanese.