adv. [f. as prec. + -LY2.] In a justifiable manner; so as to admit of justification.
1672. South, Serm. 1 Cor. viii. 12. No man amongst us can justifiably plead weakness of conscience in that sense.
1734. Fielding, Univ. Gallant, III. i. Anything which this lady may not justifiably suffer.
1856. Ruskin, Mod. Paint., IV. V. v. § 1. An English painter justifiably loves fog, because he is born in a foggy country.