List of discreetly synonyms and discreetly related words.
artfully, astutely, cannily, carefully, cautiously, circumspectly, cleverly, considerately, cunningly, discerningly, easy, gingerly, guardedly, heedfully, intelligently, judiciously, knowingly, mindfully, pawkily, providently, prudently, rationally, reasonably, regardfully, sagaciously, sensibly, shrewdly, smartly, thoughtfully, understandingly, wisely, with care, with caution