to celebrate	celebration - verb
celebratory	celebration - adjective
to renew	renewal - verb
renewed	renewal - adjective
festive	festival - adjective
festivity	enjoyable activities connected with festival
spectacular	spectacle - adjective
ceremonial	ceremony - adjective
superstitious	person who has illogical beliefs about hidden forces in nature
centenary	100th anniversary
penance	actions to show you are sorry for bad deeds
fasting	not eating for long periods
flamboyant	extremely colourful and exaggerated
raucous	very noisy
sombre	serious, heavy and sad
atmospheric	describes sth that has a special feeling or atmosphere
to commemorate	to respect and remember officially
parade	big gang of people marching through the streets
pagan	pre-Christian