Hieratic
WordNet
adjective
(1) Adhering to fixed types or methods; highly restrained and formal
"The more hieratic sculptures leave the viewer curiously unmoved"
(2) Written or belonging to a cursive form of ancient Egyptian writing
"Hieratic Egyptian script"
(3) Associated with the priesthood or priests
"Priestly (or sacerdotal) vestments"
"Hieratic gestures"
noun
(4) A cursive form of Egyptian hieroglyphics; used especially by the priests