WordNet sense 1 (call to arms; of military personnel):

mobilize, rally, mobilise

WordNet sense 2 (bring forward for consideration):

bring forward

WordNet sense 3 (get or try to get into communication (with someone) by telephone):

call, phone, ring, telephone

WordNet sense 4 (recall knowledge from memory; have a recollection):

recall, recollect, remember, retrieve, think, recall, recollect, call back