Source : Webster's Revised Unabridged Dictionary (1913)

Suppletive \Sup"ple*tive\, Suppletory \Sup"ple*to*ry\, a. [Cf.
   F. suppl['e]tif, LL. suppletivus, from L. supplere,
   suppletum, to fill up. See {Supply}.]
   Supplying deficiencies; supplementary; as, a suppletory oath.

Suppletory \Sup"ple*to*ry\, n.; pl. {Suppletories}.
   That which is to supply what is wanted.

         Invent suppletories to excuse an evil man. --Jer.
                                                  Taylor.