The phrase "of old" is often used to describe something that was present or popular in the past. Synonyms for this phrase include "in ancient times," "in past generations," "of yore," and "historically." "In days gone by" and "long ago" can also be used as descriptors for something that occurred or existed in the past. "Formerly" is another commonly used synonym that implies that something was once a common occurrence or practice. Finally, words like "traditional" and "classic" can be used to describe things that are old but timeless or still relevant in the present day.