supple

Short definition from Wiktionary

Adjective

1. 1
   Pliant, flexible, easy to bend.
2. 2
   Lithe and agile when moving and bending.
3. 3
   Compliant; yielding to the will of others.
4. 4
   Smooth and drinkable.

Verb

1. 1
   To make or become supple.
2. 2
   To make compliant, submissive, or obedient.

Proper noun

1. 1
   A surname.