Webster's Revised Unabridged Dictionary · 1913

Manly

Manly , adjective

[Man + -ly. Compare Manlike.]

Having qualities becoming to a man; not childish or womanish; manlike, esp. brave, courageous, resolute, noble.
Let's briefly put on manly readiness. — Shakespeare
Serene and manly, hardened to sustain The load of life. — Dryden

Manly , adverb

In a manly manner; with the courage and fortitude of a manly man; as, to act manly.