Approvable rhymes with:
provable, provable, immovable, movable, provable, removable, achievable, believable, conceivable, drivable, forgivable, immovable, inconceivable, livable, lovable, microwavable, movable, observable, provable, receivable, removable, solvable, survivable, unbelievable, unforgivable, unlivable, unsolvable