warrantably

adv

1. In a way that is justified; reasonably.

   “None of those who defend the adoring of the humanity of Christ with divine worship, do well and warrantably express their opinion.”

   “The sentence of execution passed upon the murderer may be warrantably passed by the State of the future or its officers upon a monstrous birth, a baby riddled with congenital syphilis or some such horrible fruit of our present carelessness and wickedness in such matters.”