justifiably

/ˈdʒʌstɪfaɪəbli/
adverb
  1. In a way that is right or reasonable; with good cause.
    • The residents were justifiably angry about the pollution in their neighborhood.
    • He justifiably complained about the poor service at the restaurant.
    • She was justifiably proud of her award-winning essay.
What does "justifiably" mean? | whatsthatwordmean | whatsthatwordmean