convocation
🇬🇧/ˌkɒnvəˈkeɪʃn/ 🇺🇸/ˌkɑːnvəˈkeɪʃn/
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A convocation is a meeting or ceremony attended by a large number of people. 集会
noun [具体名词] 召集;集会;教士会议;评议会
They regretted agreeing to the convocation of that meeting. 他们后悔同意召开这个会议。