We found one dictionary that defines the word that'll do nicely:

General (1 matching dictionary)

1. that'll do nicely: Cambridge Advanced Learner's Dictionary

▸ Words similar to that'll do nicely ▸ Usage examples for that'll do nicely ▸ Idioms related to that'll do nicely ▸ Wikipedia articles (New!) ▸ Words that often appear near that'll do nicely ▸ Rhymes of that'll do nicely ▸ Invented words related to that'll do nicely