centre Synonyms

focus nerve centre middle nitty-gritty essence substance gist marrow midpoint concentrate core nerve center kernel pith centre of attention nub center center of attention heart centrist moderationist focussing zero in unitize penetralia vitals waist focal point focalise umbilicus toxophilite orrery orthocenter palatal pivot plaza polarize polestar pore quiddity quintessence radicate rivet snapper subject-matter sum ticker townlet optic philia