Synonyms of obediently

2 Syllables
loyally
3 Syllables
compliantly, willingly, steadfastly, slavishly, fawningly, faithfully
4 Syllables
devotedly, trustworthily, subserviently, grovelingly, obsequiously
5 Syllables
submissively, ingratiatingly
6 Syllables
sycophantically