The gracefulness of a person or animal that is flexible and supple; SYN. litheness, suppleness.

Flexibility, state of being bendable, quality of being pliant

ETYM CF. French malléabilité.
The property of being physically malleable; the property of something that can be worked or hammered or shaped under pressure without breaking; SYN. plasticity.

The quality or state of being supple; flexibility; pliableness; pliancy.