robed vs attired

robed and attired both are adjectives.

Word	Noun	Adjective	Verb	Adverb
robed	No	Yes	No	No
attired	No	Yes	No	No

As adjectives, robed and attired are synonyms defined as:

robed and attired: dressed or clothed especially in fine attire; often used in combination

Other synonyms of robed include appareled, dressed, garbed, garmented, habilimented.

robed (adjective)	attired (adjective)
dressed or clothed especially in fine attire; often used in combination	dressed or clothed especially in fine attire; often used in combination