This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A splendid or striking array: a panoply of colorful flags. See Synonyms at display.

n. Ceremonial attire with all accessories: a portrait of the general in full panoply.

n. Something that covers and protects: a porcupine's panoply of quills.

n. The complete arms and armor of a warrior.

n. A splendid display of something.

n. a collection or display of weaponry

n. Ceremonial garments, complete with all accessories.

n. A complete set of armour.

n. Something that covers and protects.

n. Defensive armor in general; a full suit of defensive armor.

n. Any full set of elaborate attire, complete with accessories or accompanying paraphernalia; any elaborate special or ceremonial attire and equipment.

n. Any impressive complete array.

n. Any complete array of devices used in an endeavor.

n. A complete set or suit of arms, offensive and defensive; the complete defensive armor of any period, especially that from the fifteenth century onward, when all the pieces were of wrought steel and accurately adapted to their purpose: often used figuratively.

n. A group or assemblage of pieces of defensive armor, with or without weapons, arranged as a sort of trophy.

n. a complete and impressive array

"Hasan a steed of the best and equipped him in panoply and weaponed him with goodly weapons."

array   

armor    covering   

retinue    pageantry    trappings    panorama    raiment    phantasmagoria    Armour    plumage    vestments