Well-founded(adjective)
Meaning: based on good evidence or reasons.
Hindi meaning:तथ्यों पर आधारित
Synonyms: Tenable, Justifiable, Defensible, Admissible
Antonyms: Illogical, Unfounded, Unreasoned, Specious
Example: His fear turned out to be well-founded.
Trick to remember: Fund ke misuse ke wellfound evidence h 
