"to guard, keep, preserve, give heed to," is translated "to reserve," (a) with a happy issue, 1 Peter 1:4; (b) with a retributive issue, 2 Peter 2:4; 2:9 , AV (RV, "keep"); 2:17; 3:7; Jude 1:6 , AV (RV, "hath kept"); 1:13; (c) with the possibility either of deliverance or execution, Acts 25:21 , AV (RV, "kept"). See KEEP.
Note: In Romans 11:4 , AV, kataleipo, "to leave behind, leave remaining," is translated "I have reserved" (RV, "I have left"). See LEAVE.