- In a way that is justified; reasonably.
- 1846, George Gillespie, The Works of Mr. George Gillespie (Vol. 1 of 2):
- None of those who defend the adoring of the humanity of Christ with divine worship, do well and warrantably express their opinion.
- 1911, C. W. Saleeby, Woman and Womanhood:
- 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.