Adverb
with good reason
Source: WordNetIf one had to single out the most revolutionary novelty furnished by Qumran, its contribution to our understanding of the genesis of Jewish literary compositions could justifiably be our primary choice. Geza Vermes
She went crazy with a calm face, justifiably so. Douglas Coupland
Even institutions of State, such as the judiciary, were seriously weakened, to the extent that the citizenry justifiably feared a breakdown in law and order. The business community was hit by a slump in sales and confidence, leading to reduced earnings and loss of jobs. Kamisese Mara
The potential for self-loathing comes from the unavoidable problem that one is engaging in a childish, fraudulent activity: although it has the capacity to delight and amaze, the performer is also a hair's breadth from being justifiably treated like a silly child. It is, after all, just tricks. Derren Brown
All Moroccans are justifiably proud of the development of democratic institutions in Morocco. Donald Evans
I allowed artists to play for as long as they felt they could justifiably continue to create. Norman Granz