Similar words: artful, fitfully, tactfully, lustfully, restfully, wistfully, fretfully, rightfully. Meaning: adv. 1. in an artful manner 2. in a disingenuous manner 3. in an artful manner.
(31) They were really doing it artfully from behind the window curtains.
More similar words: artful, fitfully, tactfully, lustfully, restfully, wistfully, fretfully, rightfully, fruitfully, boastfully, doubtfully, resentfully, regretfully, frightfully, deceitfully, respectfully, delightfully, thoughtfully, distrustfully, hurtful, effortful, at full speed, fully, awfully, usefully, lawfully, ruefully, joyfully, carefully, woefully.