Noah Webster
Supple
SUP'PLE, adjective
1. Pliant; flexible; easily bent; as supple joints; supple fingers.
2. Yielding; compliant; not obstinate.
If punishment--makes not the will supple it hardens the offender.
3. Bending to the humor of others; flattering; fawning.
4. That makes plaint; as supple government.
SUP'PLE, verb transitive To make soft and pliant; to render flexible; as, to supple leather.
1. To make compliant.
A mother persisting till she had suppled the will of her daughter.
SUP'PLE, verb intransitive To become soft and pliant; as stones suppled into softness.