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Webster 1913 Edition

adv.

In a serene manner; clearly.

Now setting Phœbus shone

serenely

bright.

Pope.

With unruffled temper; coolly; calmly.

Prior.

adv.

1. Calmly; quietly.

The setting sun now shown serenely bright. Pope.

2. With unruffled temper; colly.

serenely ‎(comparative more serenely, superlative most serenely)

in a serene manner