The hero sees that the event is ancillary; it must follow him.
It is not a carving of statues, but only holding a torch for the public; ancillary writing.
The division of Sciences into ancillary and "architectonic" is Aristotelian.
Ancillary, an′sil-ar-i, adj. subservient, subordinate (with to).
But Madame Montessori's relation to the feminist movement is, after all, ancillary.