In or toward the west
westward, westerly, occidental, in the west, on the west side, where the sun sets, facing west, from the east, westernly, westernmost, westbound, occidental.
Antonyms eastern*, easterly, oriental.
Usually capital; having characteristics of Western Civilization
Grecian, Latin, Roman, American, European, Christian, Caucasian.
Sometimes capital; having characteristics of the western part of the United States
cowboy, middle-western, southwestern, far-western, in the sagebrush country, on the Western plains, in the wide open spaces, in the wild west, in the Rockies, in God's country, in the wild and woolly West*, out where the men are men*.