The feminine form of invigilate.
The male teacher invigilates the exam, the female teacher invagilates the exam.
The feminine form of Inviglilate.
The male teacher invigilates an exam. A female teacher invagilates the exam.
One who uses cunning and guile to gain access to a woman’s inner virtue
That bloke is an adept invagilator. I expect he will be making her happy very soon