Advisable (adjective)

1. Worthy of being recommended or suggested as prudent or desirable.
2. Having good sense or judgment; prudent.
3. Expedient; reasonable; desirable.

Origin:

From middle english avisable, from old french aviser ("to advise"), from a- ("to") + viser ("to aim"), ultimately from latin videre ("to see").

Examples:

1. It is advisable to take an umbrella when the forecast calls for rain.
2. Consulting a financial advisor before making investment decisions is always advisable.
3. It is advisable to seek medical attention if you have a persistent headache.
4. It is not advisable to drive when you are tired.
5. Consulting a lawyer before signing a contract is advisable for legal protection.