What's the adjective for accessory? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs accessorize and accessorise which may be used as adjectives within certain contexts.
accessory
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 people and things, and, when of people, usually in a bad sense
(law)Assisting a crime without actually participating in committing the crime itself.
“Markets under mercantilism were still merely an accessory feature of an institutional setting controlled and regulated more than ever by social authority.”