/
ɒnˈsɒmb(ə)l/
n.
  - a group of musicians, actors, or dancers who perform together. 
▸a scene or passage written for performance by a whole cast, choir, or group of instruments.
 - a group of items viewed as a whole. 
▸a set of clothes worn together.
 
Etymology
ME: from Fr., based on L. insimul, from in- ‘in’ + simul ‘at the same time’.