1) Eastern Christian liturgy 
Encaenia is an academic or sometimes ecclesiastical ceremony, usually performed at colleges or universities. It generally occurs some time near the annual ceremony for the general conference of degrees to students. The word is from Latin, meaning dedication or consecration, and is ultimately derived from the Greek word `εγκαίνια`, meanin.....
anniversary festival of renewal of an institution
• (n. pl.) = Encenia.
festive ceremonies commemorating the founding of a city or the consecration of a church. · (often cap.) ceremonies at Oxford University in honor of founders and benefactors.