Crossword Genius

Principle (5)

Ross

(Other definitions for valid that I've seen before include "Legally acceptable and sound" , "Well-founded" , "Sound and to the point, also legal" , "Legally acceptable, unexpired" , "Reasonable" .)

I've seen this clue in the King Feature Syndicate, the USA Today, The Wall Street Journal, The Star Tribune, The New York Times, the Universal, The Irish Independent, the Evening Standard, the Penny Press, The Mirror, The Sun, The Telegraph and the LA Times.
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