also: うべ
In classical Japanese, 'mube' was used to mean 'truly' or 'most certainly'.
Archaic kanji spelling; rarely used in modern Japanese. The reading むべ is the more common pronunciation.
Kana spelling is the most practical for modern learners, as the kanji forms are archaic.
Alternate archaic kanji spelling; even rarer than 宜.
Alternate reading; less common than むべ.
An old native adverb, also historically pronounced うべ, meaning “indeed,” “naturally,” or “with good reason.” The spelling 宜 represents its meaning.