1) Dutifully 2) Favourably 3) Submissively 1) In a servile manner 2) Reverentially 3) Reverently 4) Submissively 
• (adv.) With deference.
Def`er·en'tial·ly adverb With deference. 
[adv] - in a servile manner 2. [adv] - in a respectfully deferential manner
deferentially 1. Respectfully and with esteem due a superior or an elder. 2. Affected or ingratiating regard for another's wishes in a servile manner.
adverb in a servile manner; `he always acts so deferentially around his supervisor` adverb in a respectfully deferential manner; `he listened deferentially`