duly, dutifully.

Loyally, faithfully. Obsolete.

With ready compliance or eagerness to serve or please; dutifully. Now rare.

In a dutiful manner; with the regard and observance that is due.

With due or dutiful observance. Obsolete.

In a pious manner; with pious motive or intent; devoutly, religiously; (also) dutifully, loyally (now archaic).

In a responsible capacity; in respect of duty or responsibility.