—v.t. 1. to bring under the ownership or control of a nation, as industries and land: a movement to nationalize the oil industry. 2. to make into a nation.
3. to naturalize.
4. to make national in extent or scope: a magazine article that nationalized a local problem.
—v.i. to become nationalized or naturalized: Those who remain in the country must nationalize.Also,esp. Brit.,na'tion•al•ise".