What does the cryptic crossword clue "Nice to see truce’s arranged in exasperation (11)" mean?

The wordplay uses an anagram. anagram of TRUCES (synonym="TRUCES") + PIQUE (synonym="frustration") = PICTURESQUE The answer is PICTURESQUE.

Nice to see truce’s arranged in exasperation (11)

Guardian Cryptic #29573 | 20 Across | 2024-12-23 flower