Power or the use of power; sovereignty over something; stewardship, supremacy. / predominance; ascendancy / (sometimes figuratively) A kingdom, nation, or other sphere of influence; governed territory.

plural of dominion

(historical) Any of the self-governing nations of the British Commonwealth until 1949.

A tendency among some conservative Christians, especially in the USA, to seek influence or control over secular civil government through political action.

The nickname given by Charles II of England to the Colony of Virgina, now the official nickname for the state of Virginia in the United States of America

Dominionism

(Canada, historical) Canada Day (before being renamed in 1982) / (New Zealand) A day commemorating the granting of national status to New Zealand.

(dated, formal) Canada / (history) Canada from 1867 to the early Cold War.

plural of dominionist

A supporter of dominionism.