But in another moment she seemed to have descended from her womanly eminence to helpless and timorous girlhood; and he understood that her courage and initiative were all for others, and that she had none for herself.
There are no more uses of "initiative" in the book.
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She is smart, dedicated and has initiative. I expect to see her promoted soon.
He did it on his own initiative. His boss didn’t even know about it.