WAVELESSLY

Etymology

Adverb

wavelessly (comparative more wavelessly, superlative most wavelessly)

(of water) Without being disturbed by waves; tranquilly.

Source: Wiktionary

WAVELESS

Wave"less, a.

Definition: Free from waves; undisturbed; not agitated; as, the waveless sea.

Source: Webster’s Unabridged Dictionary 1913 Edition