Affecting, by, or on behalf of, a community or group of people.
Wiktionary
Communally Sentence Examples
Tipton St. John is particularly proud of its self-help ethos with the playing fields and village community hall both communally owned and run.
They usually roost communally in palms or baobab trees.
Regular excursions to theater performances, museums, concerts, and art exhibits may be communally organized with discount group rates and transportation.