#1
mandatory s. [
compulsory, required] required by rule; "in most schools physical education is compulsory"; "attendance is mandatory"; "required reading"
. wn #2
mandatory n. [
mandatary] the recipient of a mandate
. wn #3
mandatory n. [
mandate] a territory surrendered by Turkey or Germany after World War I and put under the tutelage of some other European power until they are able to stand by themselves
. wn