"Be of good comfort" is a phrase that means to have confidence and reassurance in a particular situation. There are many synonyms for this phrase that can be used to convey the same message. Some of the synonyms for "be of good comfort" include "be of good cheer," "be reassured," "take heart," "stay encouraged," "keep the faith," and "hold steady." All of these phrases express a positive outlook and encouragement to be hopeful and optimistic. It is important to find the right synonyms that are most appropriate for a particular scenario to ensure that the message is conveyed effectively. Each synonym is unique and brings its own nuance to the expression of optimism and hope.