peacockery
/ˌpiːkɔːkˈrɪərē/Definitions
1. noun
a display of pride or pretentiousness, especially in dress or manner.
“The peacockery of the fashion designer’s runway show left everyone in awe.”
2. noun
a quality of being excessively proud of one’s possessions, achievements, or appearance.
“The peacockery of the millionaire’s mansion was on full display.”