auspicial

[ aw-spish-uh l ]
/ ɔˈspɪʃ əl /

adjective

of or relating to auspices: auspicial rites.

Origin of auspicial

1605–15; < Latin auspici(um) auspice + -al1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019