Antonyms of adj inadvisable

2 senses of inadvisable

Sense 1
inadvisable (vs. advisable), unadvisable -- (not prudent or wise; not recommended; "running on the ice is inadvisable")

advisable (vs. inadvisable) -- (worthy of being recommended or suggested; prudent or wise; "such action is neither necessary nor advisable"; "extreme caution is advisable"; "it is advisable to telephone first")
        => better (predicate), best (predicate) -- ((comparative and superlative of `well') wiser or more advantageous and hence advisable; "it would be better to speak to him"; "the White House thought it best not to respond")
        => well (predicate) -- (wise or advantageous and hence advisable; "it would be well to start early")

Sense 2
inadvisable -- (not advisable; "an unnecessary and inadvisable action")

INDIRECT (VIA inexpedient) -> expedient -- (serving to promote your interest; "was merciful only when mercy was expedient")

Similarity of adj inadvisable

2 senses of inadvisable

Sense 1
inadvisable (vs. advisable), unadvisable -- (not prudent or wise; not recommended; "running on the ice is inadvisable")
          Also See-> foolish#1; imprudent#1

Sense 2
inadvisable -- (not advisable; "an unnecessary and inadvisable action")
       => inexpedient (vs. expedient) -- (not suitable or advisable; "an inexpedient tactic")