Compounds of 白ける

• 白ける
  (v1,vi) (1) to be spoiled (spoilt)
  to be dampened
  to become subdued (e.g. lively atmosphere)
  to be unamused or bored
  to become apathetic
  (2) to fade
  to turn white
  to grow light (at dawn)
• 座が白ける
  (exp) to put a damper on proceedings (e.g. at a meeting or party, etc.)