The Rigid Observance of Rules of Etiquette
This page is the CodyCross answer for the clue below from Inside the Spaceship, Group 1182, Puzzle 3 (Sporting Events).
Question is: The Rigid Observance of Rules of Etiquette
and the answer is: FORMALITY
Word Meaning:
FORMALITY — (uncountable) The state of being formal.
Definitions from Wiktionary.