justifiably
adv. manner B2 Upper Intermediate US //ˈdʒəstəˌfaɪəbɫi// UK //dʒˈʌstɪfˌaɪəbli// jus·ti·fi·ably
adv. in a way that is fair, right, or based on good reasons. You use this when someone does something because they have a good excuse or a strong reason.
adv. in a manner that is morally, legally, or logically sound; based on valid reasons. Often modifies verbs of action or adjectives describing a state of being.
The manager justifiably fired the employee for breaking the rules.
The residents justifiably complained about the noise because the construction work started before the agreed time.
The defense attorney argued that the suspect justifiably feared for his life, though the prosecution maintained that the level of force used was excessive.
From justifiable + -ly.