sustentative

/səˈstɛntətɪv/
adjective
  1. Serving to support, sustain, or maintain something.
    • The sustentative role of the foundation is crucial for the stability of the entire structure.
    • Her sustentative comments during the debate helped keep the discussion focused and productive.
    • In the ecosystem, fungi play a sustentative function by breaking down organic matter.
Synonyms
What does "sustentative" mean? | whatsthatwordmean | whatsthatwordmean