WordNet sense 1 (mention as by way of greeting or to indicate friendship):

commend

WordNet sense 2 (call to remembrance; keep alive the memory of someone or something, as in a ceremony):

commemorate

WordNet sense 3 (recapture the past; indulge in memories):

think back

WordNet sense 4 (keep in mind for attention or consideration):

think of

WordNet sense 5 (recall knowledge from memory; have a recollection):

recall, recollect, retrieve, think, recall, recollect, call up, call back