INTREPIDLY
fearlessly, dauntlessly, intrepidly
(adverb) without fear; “fearlessly, he led the troops into combat”
Source: WordNet® 3.1
Etymology
Adverb
intrepidly (comparative more intrepidly, superlative most intrepidly)
In an intrepid manner
Synonyms: fearlessly, daringly, resolutely
Source: Wiktionary
In*trep"id*ly, adv.
Definition: In an intrepid manner; courageously; resolutely.
INTREPID
In*trep"id, a. Etym: [L. intrepidus: cf. F. intrépide. See In- not,
and Trepidation.]
Definition: Not trembling or shaking with fear; fearless; bold; brave;
undaunted; courageous; as, an intrepid soldier; intrepid spirit.
Syn.
– Fearless; dauntless; resolute; brave; courageous; daring;
valiant; heroic; doughty.
Source: Webster’s Unabridged Dictionary 1913 Edition