Prudent

adjective

1. Sagacious in adapting means to ends; circumspect in action, or in determining any line of conduct; careful, discreet, sensible; — opposed to rash; directed by prudence or wise forethought; evincing prudence
2. Practically wise, judicious, shrewd

   "His prudent career moves reliably brought him to the top"

3. Frugal; economical; not extravagant;

   "Only prudent expenditure may provide quality within a restrictive budget"