a.
1.
Light, not difficult, not burdensome.
2.
Quiet, tranquil, untroubled, comfortable, contented, satisfied, at rest, at ease, without anxiety, without pain.
3.
Yielding, complying, compliant, pliant, facile, submissive, accommodating, complaisant.
4.
unconstrained, graceful, not formal, not stiff.
5.
Natural, flowing, unaffected, smooth.
6.
Gentle, moderate.
7.
Not straitened ( pecuniarily ), comfortable, affluent.