Annual Festivus Event, the __ of Grievances

This page is the CodyCross answer for the clue below from Mesopotamia, Group 967, Puzzle 2 (Advanced Agriculture).

Question is: Annual Festivus Event, the __ of Grievances

and the answer is: AIRING

Word Meaning:

AIRING — (uncountable) Exposure of something to the air, especially fresh or warm air for the purpose of ventilating or drying; (countable) an instance of this.

Definitions from Wiktionary.

Annual Festivus event, the __ of grievances — CodyCross Answer | CodyCross Solutions