Source : Webster's Revised Unabridged Dictionary (1913)

Supple \Sup"ple\, v. t. [imp. & p. p. {Suppled}; p. pr. & vb. n.
   {Suppling}.]
   1. To make soft and pliant; to render flexible; as, to supple
      leather.

            The flesh therewith she suppled and did steep.
                                                  --Spenser.

   2. To make compliant, submissive, or obedient.

            A mother persisting till she had bent her daughter's
            mind and suppled her will.            --Locke.

            They should supple our stiff willfulness. --Barrow.