Synonyms of famously

2 Syllables
ably, rightly, fully, greatly, smoothly, strongly, soundly
3 Syllables
correctly, splendidly, nicely, properly, closely, expertly, agreeably, thoroughly, profoundly, skillfully, suitably, adeptly
4 Syllables
carefully, favorably, capitally, commendably, excellently, completely, proficiently, masterfully, conscientiously, efficiently, competently, admirably, successfully
5 Syllables
irreproachably, immeasurably, accurately, incalculably, sensationally, attentively, effectively, adequately
6 Syllables
satisfactorily