Way of Saying an Event Requires Formal Wear
This page is the CodyCross answer for the clue below from Rainforest, Group 1214, Puzzle 2 (Geological Time).
Question is: Way of Saying an Event Requires Formal Wear
and the answer is: BLACKTIE
Word Meaning:
BLACK TIE — (countable) A black bow tie worn with a dinner jacket.
Definitions from Wiktionary.