Wassily \wa-ssi-ly\ as a boy's name is a variant of Basil (Greek) and Vasilis (Greek), and the meaning of Wassily is "royal, kingly".
The baby name Wassily sounds like Vassily and Vasily. Other similar baby names are Vasili, Vasile, Basile, Cassiel, Wadly, Wakely, Wally, Wasim, Wessley and Wesly.