Final answer:
The word 'daunting' in playing for peace is best understood as something that is challenging or difficult to overcome.
Step-by-step explanation:
In playing for peace, the word 'daunting' is used to describe something that is challenging or difficult to overcome. Paragraph 3 of the passage provides words that can help the reader understand the meaning of 'daunting.' Among these words, 'challenging' is one of them. This word implies that the task or goal that is being pursued for peace is not easy and may require effort and determination to accomplish.