1) Advisable 2) Careful 3) Careful and sensible 4) Cautious 5) Circumspect 6) Discreet 7) Discreet or circumspect 8) French word used in English 9) Highly sensible 10) Judicious 11) Like laying up, often 12) Marked by sound judgment 13) Not rash 14) Penny wise 15) Provident 16) Prudential 17) Responsible Found on https://www.crosswordclues.com/clue/prudent
adjective careful and sensible; marked by sound judgment; `a prudent manager`; `prudent rulers`; `prudent hesitation`; `more prudent to hide than to fight` Found on https://www.encyclo.co.uk/local/20974
wise or judicious in practical affairs; sagacious; discreet or circumspect; sober. · careful in providing for the future; provident: a prudent decision. Found on https://www.infoplease.com/dictionary/prudent