Learn how to say Incantatory correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word incantation:
a series of words said as a magic spell or charm:
an incantation to raise the dead
[mass noun] the use of words as a magic spell:
there was no magic in such incantation
late Middle English: via Old French from late Latin incantatio(n-), from incantare ‘chant, bewitch’ (see incant)