1. inclusionist - Noun
2. inclusionist - Adjective
Advocating for inclusion.
Antonym: exclusionist
(Wikimedia jargon) Favoring the inclusion of articles rather than their deletion.
Antonym: deletionist
One who advocates for inclusion.
(Wikimedia jargon) A wiki user who favors the inclusion of articles rather than their deletion.
Antonym: deletionist
Coordinate term: mergist