
1) Catered event, usually 2) Party of 13 3) Rite at 13 4) Rite of passage 5) Rite of passage, for some 6) Synagogue ceremony
Found on
https://www.crosswordclues.com/clue/barmitzvah

The ceremony that marks the religious coming of age of a Jewish boy at the age of 13. The word comes from the Hebrew-Aramaic for 'son of the commandment' but more accurately 'man of duty'. From the age of 13 a Jewish boy is thought to have reached religious maturity and is given adult privileges in the synagogue.
Found on
http://www.movinghere.org.uk/help/glossary.htm
No exact match found.