"Erative" is a word in ENGLISH

Pertaining to Aonia, in B/otia, or to the Muses, who were supposed to dwell there.

Of or pertaining to Castalia, a mythical fountain of inspiration on Mt. Parnassus sacred to the Muses.

mabinalaybáyon - Poetical, poetic, pertaining to the muse, possessing the beauty of poetry. (baláybay).

Of or pertaining to the Muses, or to Poetry.

Of or pertaining to Pierides or Muses.