| Main Entry | R | I | S | M | B | C | N |
| Wahrheit | X | ||||||
| Wai tan | X | ||||||
| Wai wang | X | ||||||
| Waismann, Friedrich | X | ||||||
| Wang Chung | X | ||||||
| Wang tao | X | ||||||
| Wang Yang-ming | X | ||||||
| war | X | X | |||||
| Warburton, William | X | ||||||
| Watson, John Broadus | X | X | X | ||||
| Watsuji Tetsurô | X | ||||||
| Wave mechanics | X | ||||||
| weakness of will | X | ||||||
| Weber, Max | X | X | |||||
| Weber-Fechner Law | X | ||||||
| Wei | X | ||||||
| Wei wo | X | ||||||
| Weil, Simone | X | ||||||
| well-being | X | ||||||
| well-formed formula | X | ||||||
| Well-ordered | X | ||||||
| Weltanschauung | X | X | |||||
| Wen | X | ||||||
| Wert | X | ||||||
| Wertfrei | X | ||||||
| Wertheimer, Max | X | ||||||
| Wesen | X | ||||||
| Wesensschau | X | ||||||
| Wesenswissen, i.e., Wesensschau (in Max Scheler) | X | ||||||
| West, Cornel | X | ||||||
| Whately, Richard | X | ||||||
| Whewell, William | X | X | |||||
| Whitehead, Alfred North | X | X | X | ||||
| Whole | X | ||||||
| Wiener Kreis | X | ||||||
| Wiener, Norbert | X | ||||||
| Will | X | X | X | X | |||
| Will (Scholastic) | X | ||||||
| Will to Believe | X | ||||||
| will, free | X | ||||||
| Will, the Free Elective | X | ||||||
| William of Champeaux | X | ||||||
| Wilson, Edward O. | X | ||||||
| Wilson, John Cook | X | ||||||
| Windelband, Wilhelm | X | ||||||
| Wirklichkeit | X | ||||||
| Wirkung | X | ||||||
| wisdom | X | ||||||
| Wisdom, John | X | ||||||
| Wissenschaftslehre | X | ||||||
| Wisssen | X | ||||||
| witchcraft | X | ||||||
| Wittgenstein, Ludwig | X | X | X | X | X | ||
| Wolff. Christian | X | X | |||||
| Wollstonecraft, Mary | X | ||||||
| woman | X | ||||||
| Woodbridge, Frederick James Eugene | X | ||||||
| World Ground | X | ||||||
| World soul | X | ||||||
| World-event | X | ||||||
| World-line | X | ||||||
| World-point | X | ||||||
| Wright, Chauncey | X | ||||||
| Wrong action | X | ||||||
| Wu | X | ||||||
| Wu ch'ang | X | ||||||
| Wu chi | X | ||||||
| Wu chiao | X | ||||||
| Wu hsing | X | ||||||
| Wu hua | X | ||||||
| Wu lun | X | ||||||
| Wu shih | X | ||||||
| Wu te | X | ||||||
| Wu tien | X | ||||||
| Wu wei | X | ||||||
| Wu wu | X | ||||||
| Wundt, Wilhelm | |||||||
| Wundt, Wilhelm Max | X | X | |||||
| Wyclif, John | X | X |