Solemn
Majestic, Dignified
な adjective, noun
そうごん
深刻 （しんこく） Serious, Grave
厳粛 （げんしゅく） Gravity, Solemnity, Severity, Seriousness
荘厳 （そうごん） Solemn, Majestic, Dignified
His soul そう has gone ごん. The time for Solemnity is at hand.