13-Letter Words Containing: I,U,M,I,S,M

• the act of preparing a summary (or an instance thereof); stating briefly and succinctly

• the act of making immune (especially by inoculation)

• an ode honoring a bride and bridegroom

• (Christianity) the doctrine of the ecumenical movement that promotes cooperation and better understanding among different religious denominations: aimed at universal Christian unity

• a digital computer of medium size