THESAURUS
adjunct, appurtenance, aspect, basic, circumstance, component, constituent, contents, detail, element, factor, feature, fixings, fundamental, ingredient, integrant, item, makings, part, rudiment, specialty
ROGET THESAURUS
Component
N
component, component part, integral part, integrant part, element, constituent, ingredient, leaven,
part and parcel, contents, appurtenance, feature, member, personnel, forming, inclusive.