established 11 Associations

proved (similar term) proven (similar term)

evidenced 9 Associations

proved (similar term) proven (similar term)

on trial 8 Associations

unproved (similar term) unproven (similar term)

tested 6 Associations

tried well-tried proved (similar term) proven (similar term)

tried 5 Associations

tested well-tried proved (similar term) proven (similar term)

unverified 10 Associations

unproved (similar term) unproven (similar term)

verified 8 Associations

proved (similar term) proven (similar term)

well-tried 10 Associations

tested tried proved (similar term) proven (similar term)