Synonyms for Concomitant (same or very similar meaning)
WordNet sense 1 (an event or situation that happens at the same time as or in connection with another):
accompaniment, attendant, co-occurrenceWordNet sense 2 (following as a consequence):
incidental, accompanyingWordNet sense 3 (being connected either logically or causally or by shared characteristics ):
related toFrom the ODE community, based on WordNetadd/edit