Sentence:  The DPRK propagated an extraordinary tale of his birth occurring on Mount Baekdu, one of Korea's most revered sites, being accompanied by shooting stars in the sky. It is more <WSD>likely</WSD> that he was born in a small village in the USSR, while his father was serving as a Soviet-backed general during the second world war. 
Meaning of the word marked with <WSD> tags:  plausible; within the realm of credibility