The antonyms for "beating hasty retreat" would be terms associated with bravery, fortitude, and resilience. These include phrases like "standing firm," "holding one's ground," "facing adversity," and "confronting challenges." In situations where retreat is not necessary, individuals who exhibit these characteristics are often praised for their courage and determination. Instead of turning tail and fleeing, they stay and fight, and in doing so, often emerge victorious. By embodying these qualities, individuals can inspire those around them and pave the way for a brighter future, both for themselves and those they lead.