Level-Headed, Reasonable; Opposite of Foolish
Puzzle 5 of Baking a Cake Hard Pack
Question is: Level-Headed, Reasonable; Opposite of Foolish
and the answer is: SENSIBLE
Word Meaning:
SENSIBLE — Acting with or showing good sense; able to make good judgements based on reason or wisdom, or reflecting such ability.
Definitions from Wiktionary.