Original sentence: A 2nd example for the use of the word would be:.The actual meaning is that it is the introduction day for the place, be it a school or a new restaruant.This is not an exclusive word for any military or naval rubbish, it is a word which has been used in military descriptions.a school would have an induction day for the new students who would be joining the school to show them around and make them feel comfortable before the main pupils all arrive