(GATHER) [verb] - (esp. of soldiers) to (cause to) gather together, esp. in preparation for fightingThe twelfth division mustered on the hill. [I]The general mustered his troops. [T](figurative) The Welsh National Opera has mustered its forces (= made great preparations and efforts to) to mount its second production of Tristan in only 14 years.
MUSTER
Meaning of MUSTER in English
Cambridge English vocab. Кембриджский английский словарь. 2012