druidical

Concise Oxford English Dictionary © 2008 Oxford University Press:
Druid /ˈdruːɪd/

▶noun a priest, magician, or soothsayer in the ancient Celtic religion.

■ a member of a present-day group claiming to be derived from this religion.

– derivatives
Druidic adjective,
Druidical adjective,
Druidism noun.

– origin from L. druidae, druides (pl.), from Gaulish; rel. to Ir. draoidh ‘magician, sorcerer’.