Seleste \s(e)-les-te, sel(e)-ste\ as a girl's name is a variant of Celeste (Latin), and the meaning of Seleste is "heavenly".
The baby name Seleste sounds like Saleste, Silesta, Selestyne, Selestine, Celleste, Celesta and Celest. Other similar baby names are Selestia and Celesse.