1) Ardently 2) Avidly 3) Fervidly 4) Fierily 5) Heatedly 6) Hotly 7) Intensely 8) Keenly 9) Overpoweringly 10) Passionately 11) Single-mindedly 12) Strongly 13) Vehemently 14) Vigorously 15) Violently 16) With passionate fervor 1) Ardently 2) Enthusiastically 3) Fervidly 4) Fierily 5) Keenly 6) Passionately 
fervently With warmth of feeling; ardently, earnestly, hotly, passionately. Now rare except in expressions of love, desire, prayer, etc.