This is the 2283rd most frequent Japanese word.
集い
Gathering; meeting; assembly.
集い is used as a noun here, indicating a regular gathering or meetup.
その村では、毎月集いが開かれます。
In that village, gatherings are held every month.
集い again functions as a noun, this time specifying a particular event.
春の集いで、多くの人と会話を楽しみました。
At the spring gathering, I enjoyed conversing with many people.
In this sentence, 集い refers to a planned meeting or event.