the GNU version of the Collaborative International Dictionary of English
adj. Supplying deficiencies; supplementary.
The Century Dictionary and Cyclopedia
Supplying; suppletory.
Word Usage
"According to this theory, the PIE s-aorist was originally a specially inflected type of root aorist in which the 3 sg. active form, for reasons now lost within the prehistory of PIE, was built from a suppletive sigmatic stem with 'Narten' *ē : *e ablaut."