committed

1. Obligated or locked in (often by a pledge) to some course of action.

   I'm committed to walk(ing) at least 7 miles daily.

   bound or obligated, as under a pledge to a particular cause, action, or attitude

2. Showing commitment.

   engagiert

3. Associated in an exclusive (but not necessarily permanent) sexual relationship.

   associated in an exclusive sexual relationship

4. (rhetoric)Required by logic to endorse the conclusion of an argument.

regular