noun

an assembly or meeting, especially one held for a specific purpose.

a family gathering

assembly,meeting,meet,convention,rally,turnout,congress,convocation,conclave,council,synod,symposium,forum,muster,tweetup,assemblage,collection,company,congregation,audience,crowd,throng,mass,multitude,group,party,band,knot,flock,mob,horde,pack,get-together,concourse,conventicle