CONGREGATIONAL
congregational
(adjective) relating to or conducted or participated in by a congregation; “congregational membership”; “congregational singing”
Congregational, Congregationalist
(adjective) of or pertaining to or characteristic of a Congregational church
Source: WordNet® 3.1
Etymology
Adjective
congregational (not comparable)
Of or pertaining to a congregation
Adjective
Congregational (not comparable)
Of or pertaining to Congregationalism, Congregationalists or a Congregational church
Source: Wiktionary
Con`gre*ga"tion*al, a.
1. Of or pertaining to a congregation; conducted, or participated in,
by a congregation; as, congregational singing.
2. Belonging to the system of Congregationalism, or to
Congregationalist; holding to the faith and polity of
Congregationalism; as, a Congregational church.
Source: Webster’s Unabridged Dictionary 1913 Edition