First name origins & meanings:
- Greek: Royal
- Arabic: Brave
- Czechoslovakian: Kingly
- Greek: With royal blood, regal
- Teutonic: Valiant protector
First name variations: Basile, Basilo, Basilia, Basia, Vasilis, Bazyli, Basil, Basil, Vasile, Vasilek, Vasili, Vasilios, Vasilis, Vasilos, Vassily, Vasil, Wasily, Vassily, Vasilis, Vasilios, Wil, Will, Willem, Wilhelm, Wilmos, Wilmot, Wilson, Williams, Williamson, Wills, Willie, Willy, Wiley, Wyley, Wilkie, Willkie, Wilkes, Wylkes, Willis, Wilton, Wilmer, Wilmar, Winton, Willard, Wilford, Guillaume, Guillermo, Vilhelm, Vilem, Viliam, Vasili, Uilleam, Uilliam, William