Possible Clues:

• At the end of the day is workplace OK?
• Mill's previous day is OK
• One entering school tests works fine
• Half-length coat adopted by little sister works OK
• Using intelligence principally in exams works OK
• Carelessly ratify cost as meeting requirements
• Stray cat? If so, stray's OK!
• End of the week: is plant OK?
• Put one's business in order
• Posed with one's plant - that's acceptable