Synonyms of proved

1 Syllable
tried, val
2 Syllables
tested, proven, trusted, hard-shell, settled
3 Syllables
reliable, warhorse, war-horse, qualified, tried-and-true, true-hearted, verified, incorrupt, truehearted, genuine, confirmed
4 Syllables
high-principled, creditworthy, demonstrated, established
5 Syllables
honest-to-goodness, irradicable
6 Syllables
ineradicable