Answer:
Reputable.
Explanation:
Let us look at the definitions of both of these words
Maternal
relating to a mother, especially during pregnancy or shortly after childbirth.
Reputable
Having a good reputation
Let's replace this with synonyms
in such a motherly newspaper it's bound to make a strong impression on many citizens.
in such a reliable newspaper it's bound to make a strong impression on many citizens.
Which makes more sense?
