Definitions of willing:

• noun:   the act of making a choice
• adjective:   disposed or inclined toward

  Example: "A willing participant"

• adjective:   not brought about by coercion or force
• adjective:   disposed or willing to comply

  Example: "The spirit indeed is willing but the flesh is weak- Matthew 26:41"

• name:  A surname (very rare: popularity rank in the U.S.: #28107)