Heard someone say or read somewhere something along the lines of "to live in the altruistic and (?) service of others", where (?) was some word similar to "unmotivated" but in that it implied that there was no ulterior motive in the person's actions, that is, the action was not motivated by temporal or self-serving interests.
(?) = (not motivated by ulterior motives)
Is there a word for this, or am I just crazy?