Antonyms of adj unwise

2 senses of unwise

Sense 1
unwise -- (showing or resulting from lack of judgment or wisdom; "an unwise investor is soon impoverished")

INDIRECT (VIA foolish) -> wise -- (having or prompted by wisdom or discernment; "a wise leader"; "a wise and perceptive comment")

Sense 2
inexpedient, unwise -- (not appropriate to the purpose)

INDIRECT (VIA impolitic) -> politic -- (marked by artful prudence, expedience, and shrewdness; "it is neither polite nor politic to get into other people's quarrels"; "a politic decision"; "a politic manager"; "a politic old scoundrel"; "a shrewd and politic reply")

Similarity of adj unwise

2 senses of unwise

Sense 1
unwise -- (showing or resulting from lack of judgment or wisdom; "an unwise investor is soon impoverished")
       => foolish (vs. wise) -- (devoid of good sense or judgment; "foolish remarks"; "a foolish decision")

Sense 2
inexpedient, unwise -- (not appropriate to the purpose)
       => impolitic (vs. politic) -- (not politic; "an impolitic approach to a sensitive issue")