obey

Concise Oxford English Dictionary © 2008 Oxford University Press:
obey/əˈbeɪ/

▶verb

• 1 submit to the authority of.

  ■ carry out (a command or instruction).

• 2 behave in accordance with (a general principle, natural law, etc.).

– derivatives
obeyer noun.

– origin ME: from OFr. obeir, from L. oboedire, from ob- ‘in the direction of’ + audire ‘hear’.