'Sustentative' definitions:

Definition of 'Sustentative'

From: GCIDE
  • Sustentative \Sus"ten*ta*tive\, a. Adapted to sustain, strengthen, or corroborate; as, sustentative citations or quotations. [1913 Webster]
  • Sustentative functions (Physiol.), those functions of the body which affect its material composition and thus determine its mass. [1913 Webster]