Source : Webster's Revised Unabridged Dictionary (1913)

Securely \Se*cure"ly\, adv.
   In a secure manner; without fear or apprehension; without
   danger; safely.

         His daring foe . . . securely him defied. --Milton.

Source : WordNet®

securely
     adv 1: in a secure manner; in a manner free from danger; "she held
            the child securely" [syn: {firmly}]
     2: in a confident and unselfconscious manner; "he acts very
        securely in fron of the camera" [ant: {insecurely}]
     3: in a manner free from fear or risk; "the outcome of
        expansion in the sixties and seventies will be an academic
        hierarchy securely supported by scholastic selection"
        [ant: {insecurely}]
     4: in an invulnerable manner; "the agreed line was to involve
        at several points the withdrawal of French troops from
        positions which they had quite securely held"