Regalia

Noun

regalia (plural only; not used in singular form)

• royal rights, prerogatives and privileges - actually enjoyed by any sovereign, regardless of his title (emperor, grand duke etcetera)
• the emblems, symbols, or paraphernalia indicative of royalty or any other sovereign status; such as a crown, orb, Necklace of office, scepter, sword of justice
• decorations or insignia indicative of an office or membership of an order or society; such as freemasonry
• finery or magnificent dress

Etymology

From Latin regalia, neuter plural of regalis (“of a king”), from rex.