1) Aboveboard 2) Absolutely fair 3) Authentic 4) Broadway term 5) Completely honest 6) For real 7) Genuine 8) Genuine, slang 9) Go on foot, so to speak 10) Hardly bogus 11) Justified 12) Kosher, so to speak 13) Lawful 14) Not bogus 15) Not criminal 16) Not likely to cause suspicion 17) Not phony 18) Not shady Found on https://www.crosswordclues.com/clue/legit
Short for Legitimate - a play with no music. Originates from the Letters Patent issued by Charles II in 1662 giving two men a monopoly over the performance of all plays in the City of Westminster - the legal theatres became known as Patent Theatres. Some clever entrepreneurs got around this decree by deciding musicals were not plays and staged them defiantly. So musicals became illegitimate, and plays legitimate. ... Found on http://www.encyclo.co.uk/visitor-contributions.php