This is the 4673rd most frequent Japanese word.
整い
"整い" (ととのい) means "orderliness" or "being well-arranged."
In this sentence, '整い' is used to indicate that the plan has been organized or completed.
計画が整いました。
The plan has been arranged.
Here, '整い' refers to the neat and orderly state of his clothing or appearance.
彼の服装は整っている。
His attire is tidy.
In this case, '整い' is used negatively to express that readiness or completion is lacking.