Synonyms for Semblance (same or very similar meaning)
WordNet sense 1 (an erroneous mental representation):
illusionWordNet sense 2 (an outward or token appearance or form that is deliberately misleading):
color, gloss, colourWordNet sense 3 (picture consisting of a graphic image of a person or thing):
likenessFrom the ODE community, based on WordNetadd/edit