concentrate

Synonyms: apply attend be engrossed in bring to bear brood over center consider closely contemplate crack one’s brains direct attention establish examine fixate fix attention focus focus attention get on the beam give attention hammer hammer away at head trip intensify knuckle down meditate muse need occupy thoughts peruse ponder pour it on put put mind to rack one’s brains rivet ruminate scrutinize set settle study sweat think hard weigh

Synonyms: accumulate agglomerate aggregate amass assemble bunch center centralize cluster coalesce collect combine compact compress congest conglomerate congregate consolidate constrict contract converge cramp crowd draw together eliminate embody focalize focus forgather garner get to the meat heap heap up hoard huddle integrate intensify localize mass muster narrow pile reduce salt away store strengthen swarm unify zero in

Antonyms: disperse scatter