Antonyms of adj ill-conceived

1 sense of ill-conceived

Sense 1
ill-conceived, misguided -- (poorly conceived or thought out; "an ill-conceived plan to take over the company")

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

Similarity of adj ill-conceived

1 sense of ill-conceived

Sense 1
ill-conceived, misguided -- (poorly conceived or thought out; "an ill-conceived plan to take over the company")
       => foolish (vs. wise) -- (devoid of good sense or judgment; "foolish remarks"; "a foolish decision")