as a matter of form
a matter of form
That which is done for the sake of procedure, formality, appearances, or the accepted norm, often implying a lack of usefulness or necessity. I know we already covered the chapter on social economics last week, but as a matter of form, let's review its key points before beginning today's lecture. The doctors weren't too worried about her illness, but as a matter of form they decided to keep her in the hospital overnight.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
(do something) as a matter of ˈform(do something) because it is polite, or because it is the usual way of doing something: We knew everyone agreed, but we had a vote as a matter of form. ♢ I need your signature, just as a matter of form.
Farlex Partner Idioms Dictionary © Farlex 2017