
1) Will 2) Willingness
Found on
https://www.crosswordclues.com/clue/voluntariness

Voluntariness is a legal and philosophical concept referring to a choice being made of a person`s free will, as opposed to being made as the result of coercion or duress. Philosophies such as libertarianism and voluntaryism, as well as many legal systems, hold that a contract must be voluntarily agreed to by a party in order to be binding on that....
Found on
http://en.wikipedia.org/wiki/Voluntariness

• (n.) The quality or state of being voluntary; spontaneousness; specifically, the quality or state of being free in the exercise of one`s will.
Found on
http://thinkexist.com/dictionary/meaning/voluntariness/
Vol'un·ta·ri·ness noun The quality or state of being voluntary; spontaneousness; specifically, the quality or state of being free in the exercise of one's will.
Found on
http://www.encyclo.co.uk/webster/V/35
No exact match found.