In a still manner; silently, quietly; in a low voice; †secretly.

Without noise or commotion; quietly, silently; in a low voice, softly. Obsolete.

Quietly, silently, noiselessly; lightly.

Silently, quietly, softly, without noise.

In silence; without speaking; without noise or commotion; noiselessly, quietly; without mention or notice.

Quietly. Obsolete.

In a quiet manner (in various senses of the adjective); peacefully, meekly; with little or no noise, fuss, or disturbance; surreptitiously…

In sense 1, the hyphenated collocations may be regarded as genuine combinations, but are rare.

silently, quietly.

Without a sound or utterance; in silence; wordlessly.

Through or by silence; in silence, silently.

In a manner resembling a statue, esp. in being motionless or silent.

Without speaking; silently; quietly.

Silently, quietly, without noise.

In quasi-adverbial use: Soundlessly.

After the manner of mice.

Quietly.