Synonyms of freely

2 Syllables
plainly, frankly, apart, faintly, joyously, subtly, thinly, lightly, gladly
3 Syllables
willingly, cheerily, jocundly, artlessly, easily, unforced, candidly, free-willed, consciously, willfully, wittingly, sparsely, happily, blissfully, fancy-free, smilingly, readily, flippantly, leniently, heedlessly, tenuously, timidly, thoughtlessly, slightingly, openly, airily, breezily, daintily, sparingly
4 Syllables
acquiescently, enchantedly, informally, spontaneously, optionally, unchallenged, bountifully, plentifully, unsparingly, unstintingly, unprescribed, voluntary, naturally, purposely, advisedly, apurpose, meaningfully, facilely, contentedly, exultantly, hilariously, uncompelled, ethereally, frivolously, generously, agilely, designedly, luxuriantly, severally
5 Syllables
beatifically, ecstatically, unaffectedly, unpretentiously, munificently, autonomously, unrestrictedly, unsupervised, voluntarily, calculatingly, purposively, intentionally, purposefully, unreservedly, unsubstantially, independently
6 Syllables
paradisiacally, premeditatedly, extemporaneously, exhilaratingly, deliberately
7 Syllables
premeditatively, characteristically