どこの辞書だよ
そんな意味ねえよ
1: an introductory step
took the initiative in attempting to settle the issue
2: energy or aptitude displayed in initiation of action : enterprise
showed great initiative
3a
: the right to initiate legislative action
b: a procedure enabling a specified number of voters by petition to propose a law and secure its submission to the electorate or to the legislature for approval compare referendum sense 1
https://www.merriam-webster.com/dictionary/initiative