noun
plural -tives
the initiative :the power or opportunity to do something before others do
[noncount] :the energy and desire that is needed to do something
If you do something on your own initiative, you do it because you choose to, not because someone has told you to do it.
If you use your (own) initiative, you decide for yourself what to do instead of waiting to be told by someone else.
[count] :a plan or program that is intended to solve a problem