Here is your word of the day, why not try and use the word in a piece of creative writing? link it to this post and let everyone take a look.
Suppletory \SUHP-li-tawr-ee, -tohr-ee\ , adjective:
supplying a deficiency.
Every constituent is bound by suppletory rules in the charter, but each constituent is free at any time to alter by contract how a particular suppletory rule will apply to its positions and interests.
— David Sciulli, Corporate Power in Civil Society, 2001
A book of accounts kept by one who has since become insane, and proved to be in his handwriting, is admissible in evidence, on being verified by the suppletory oath of his guardian.
— Massachusetts Digest, 1881