accessory
adjective
°Having a secondary, supplementary or subordinate function by accompanying as a subordinate; aiding in a secondary way; being additional; being connected as an incident or subordinate to a principal; contributing or being contributory. Said of persons and things, and, when of persons, usually in a bad sense; as, he was accessory to the riot; accessory sounds in music.
°(legal) Assisting a crime without actually participating in committing the crime itself.
noun
°That which belongs to something else deemed the principal; something additional and subordinate, an attachment.
°An article that completes one's basic outfit, such as a scarf or gloves.
synonyms: accompanying, contributory, auxiliary, subsidiary more» , subservient, additional, acceding, abettor, accomplice, ally, coadjutor, accessary