Meritorious rhymes with:
notorious, victorious, glorious, inglorious, laborious, notorious, victorious, aquarius, curious, deleterious, delirious, demetrius, denarius, dimitrius, dimitrius', furious, glorious, gregarious, hilarious, illustrious, imperious, industrious, inglorious, injurious, laborious, lugubrious, marius, murias, mysterious, nefarious, notorious, pancreas, penurious, precarious, serious, spurious, stradivarius, tavoulareas, various, vicarious, victorious, vitreous
Meritorious sounds like:
marauders, martyrs, mortars, murderer's, murderers, murderous, murders