"To ... go, where no man has gone before" (mission of Star Trek's starship Enterprise) (6)

I believe the answer is:

boldly

(Other definitions for boldly that I've seen before include "Audaciously" , "` `To ...... go where no man has gone before' '(Startrek)" , "''To ... go where no man has gone before'' (Star Trek mission)" , "Fearlessly or impudently" , "Confidently and courageously" .)

I've seen this clue in The Irish Times.

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