Antonyms for 'beating a hasty retreat' include actions such as standing firm, confronting the problem, facing challenges head-on, holding one's ground, staying put, and being resolute. These actions suggest a sense of strength, confidence, and determination, which are the complete opposite of the retreat. Instead of running away from difficulties or challenges, these antonyms entail dealing with them directly and standing tall against them. By facing the issue or problem, it can bring about a sense of accomplishment, resilience, and confidence. Going against the notion of retreat, these antonyms encourage individuals to take control of the situation and rise up to the challenge.