おもた 思い立つ Show inflections LinksSentence search for 思い立つSentence search for おもいたつSentence search for 思いたつKanji details for 思 and 立Edit in JMdict Godan verb with 'tsu' ending, Transitive verb1. to set one's mind on doing; to get the idea of doing; to make up one's mindOther forms思いたつ 【おもいたつ】 Discussions Log in to talk about this word.