adj1. capable of being coloured2. appearing to be true; plausible: a colourable excuse. 3. pretended; feigned: colourable affection. ˌcolouraˈbility, ˌcoloraˈbility, ˈcolourableness, ˈcolorablenessnˈcolourably, ˈcolorablyadv
colourable
colourable
justifiable on the face of it. So lawyers speak of a colourable argument, case or warrant.ThesaurusSeecolorable