Although Motomasa was young, Zeami praised him profusely saying, 'he is a specialist although he is my son,' and 'he is more proficient than Kanami,' and Motomasa was the best successor who 'could record and hand down all inherited secret teachings and esoteric points' and 'perfectly mastered the esoteric points.'
若年ながら世阿弥をして「子ながらも類なき達人」「観阿弥にも越えたる堪能」と絶賛され、「道の秘伝・奥義ことごとく記し伝へつる」「道の奥義を極め尽くす」最良の後継者であった。