Securely - (Webster's 1828 Dictionary)
1. Without danger; safely; as, to pass a river on ice securely. But safely is generally used.
2. Without fear or apprehension; carelessly; in an unguarded state; in confidence of safety.
His daring foe securely him defied. Milton.
Devise not evil against thy neighbor, seeing he dwelleth securely by thee. Prov 3.