CEREMONIOUS

Cer′e‐mo″ni‐ous (?), a. [[Cf. F. cérémonieux, L. Caerimoniosus.]] 1. 1. Consisting of outward forms and rites; ceremonial. [In this sense ceremonial is now preferred.]
The ceremonious part of His worship. South. 2. 2. According to prescribed or customary rules and forms; devoted to forms and ceremonies; formally respectful; punctilious. “Ceremonious phrases.” Addison.
Too ceremonious and traditional. Shak. Syn. — Formal; precise; exact. See Formal.