Definitions

1. adjective

Providing or serving to sustain or maintain

“The sustentive policies of the government helped to boost the economy.”

2. noun

A sustentive is a type of poetic meter used in Old English and Middle English verse

“The poem employed a variety of sustentive meters to create a unique rhythm.”

3. adverb

In a sustaining or maintaining manner

“The company will operate sustentive practices to minimize its environmental impact.”