The crossword solution for the term 'ELVIS PRESLEY WAS ONE' is IDOL, which is a four letter word. Elvis Presley was an American singer and actor who rose to fame in the mid-1950s. He is widely regarded as one of the most significant cultural icons of the 20th century and is often referred to as the 'King of Rock and Roll' or simply 'the King'. His music and style have had a lasting influence on popular culture.