legitimately

Adverbial legitimately has 2 senses

• legitimately(r = adv.all) lawfully, licitly - in a manner acceptable to common custom; "you cannot do this legitimately!"
Antonym: illegitimately

• legitimately(r = adv.all) - in a lawfully recognized manner; "let's get married so our child can be born legitimately"
Antonym: illegitimately