名詞 initiative:

1. readiness to embark on bold new ventures
   同義詞：enterprise, enterprisingness, go-ahead
2. the first of a series of actions
   同義詞：first step, opening move, opening

形容詞 initiative:

1. serving to set in motion
   同義詞：inaugural, initiatory, first, maiden

1. I put it all down to her hard work and initiative.
   我把這一切歸因于她工作又勤奮又主動。
2. It is hoped that the government's initiative will bring the strike to an end.
   希望政府采取的主動措施可以結(jié)束罷工。
3. The child displayed great initiative in going to fetch the police.
   那孩子極為主動地把警察找來。
4. It's only the initiative of the investigation.
   這僅僅是調(diào)查的開始。

in.i.tia.tive

n.（名詞）
The power or ability to begin or to follow through energetically with a plan or task; enterprise and determination.
首創(chuàng)精神，進取心：開始并精力充沛地執(zhí)行一項計劃、任務(wù)的力量或能力；進取心和決心
A beginning or introductory step; an opening move:
率先，開端：開始的、初級的階段；公開的行動：
例句：
took the initiative in trying to solve the problem.
開始著手試圖解決這個問題

The power or right to introduce a new legislative measure.
立法提案權(quán)：采取一種新的立法措施的能力或權(quán)利
The right and procedure by which citizens can propose a law by petition and ensure its submission to the electorate.
革命立法提案權(quán)：一種權(quán)利和程序，通過它們公民可以通過請愿形式提出一項法案并將其提交給選舉團
adj.（形容詞）
Of or relating to initiation.
開始的：開始的或與開始有關(guān)的
Used to initiate; initiatory.
起初的，初步的：用來開始的；初步的

<習(xí)慣用語>on (one`s) own initiative
Without prompting or direction from others; on one`s own.
自主的：沒有他人的慫勇或指導(dǎo)的；自己做主的
【引伸】
ini.tiatively
adv.（副詞）