(adv.) In a free manner; without restraint or compulsion; abundantly; gratuitously.

abundantly amply bigheartedly bounteously bountifully by choice candidly cleanly easily electively frankly free freehandedly freeheartedly generously graciously gratuitously greatheartedly handsomely hospitably independently largeheartedly lavishly liberally munificently openhandedly openheartedly openly optionally outright plainly plentifully profusely readily smoothly spontaneously unceremoniously unconstrainedly ungrudgingly unreservedly unrestrainedly unselfishly unsparingly unstintingly voluntarily willfully willingly with abandon with both hands with open hands without coercion without reserve without restraint without stint