lightly
light.ly av 1: with little weight or force : GENTLY 2: in a small degree or amount 3: with little difficulty : EASILY 4: NIMBLY, SWIFTLY 5: with indifference or carelessness : UNCONCERNEDLY 6: GAILY, FRIVOLOUSLY
Webster's English Dictionarylight.ly av 1: with little weight or force : GENTLY 2: in a small degree or amount 3: with little difficulty : EASILY 4: NIMBLY, SWIFTLY 5: with indifference or carelessness : UNCONCERNEDLY 6: GAILY, FRIVOLOUSLY