rightly so
In a manner that is factual or justIn a manner that is factual or just; correctly, fairly, justly, truly; also, in a manner acceptable or excusable in the circumstances; understandably.
UK/ˌɹaɪtli ˈsəʊ/US/ˌɹaɪtli ˈsoʊ/
Meaning
1 senses(not comparable)In a manner that is factual or just; correctly, fairly, justly, truly; also, in a manner acceptable or excusable in the circumstances; understandably.