iou (noun) IOU: promissory note
Sinonime: authorized, bona fide, canonical, card-carrying, commanded, condign, constitutional, decreed, due, enacted, enforced, enjoined, established, innocent, judged, judicial, jural, juridical, jurisprudent, just, justifiable, kosher*, legal, legalized, legislated,
legitimate, legitimatized, licit, mandated, of right, official, on the level, on the up and up, ordained, ordered, passed, permissible, proper, protected, rightful, ruled, statutory, valid, vested, warrantable, warranted