Sentence:  These three examples have what may be called a <nowiki>'</nowiki><WSD>colourable</WSD><nowiki>'</nowiki> claim for a public justification: they do not appear to us as checkerboard statues because, looking at the distinctions they draw, we presume the required justification "does exist". 
Meaning of the word marked with <WSD> tags:  Apparently true; specious; potentially justifiable.