fluency
noun
[ ˈfluːənsi ]
• the quality or condition of being fluent.
Similar:
fluidity,
flow,
smoothness,
effortlessness,
ease,
naturalness,
grace,
gracefulness,
elegance,
regularity,
rhythm,
rhythmicity,
flowingness,
Opposite:
jerkiness,
Origin:
early 17th century: from Latin fluentia, from fluere ‘to flow’.
