incantational
/ˌɪnkænˈteɪʃənəl/
adjective
- Relating to or having the quality of an incantation; magical or chant-like.
- He spoke in an incantational tone, as if casting a spell.
- The music had an incantational quality, drawing listeners into a trance.
- The poem had an incantational rhythm that hypnotized the audience.