Okay, is that a real word, Miss Hoity Toity?
ˌabnəˈɡāSH(ə)n/
noun: abnegation; plural noun: abnegations
the act of renouncing or rejecting something.
“abnegation of political lawmaking power”
Similar:
renunciation
rejection
refusal
abandonment
abdication
surrender
giving up
relinquishment
abjuration
repudiation
denial
eschewal
disavowal
casting aside
Opposite:
acceptance
self-denial.