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Webster 1913 Edition

adv.

At first; primarily.

[Obs.]

South.

In a prime manner; excellently.

adv.

At first; originally; primarily.

Most excellently.

primely ‎(comparative more primely, superlative most primely)

Primarily.
- 1644, John Milton, Aeropagitica:
  it will be primely to the discouragement of all learning, and the stop of Truth, not only by disexercising and blunting our abilities in what we know already, but by hindring and cropping the discovery that might bee yet further made both in religious and civill Wisdome.
In a prime manner; very well; extremely; excellently.