Monetary; cost-effective (8)
I believe the answer is:
economic
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">monetary</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">cost-effective</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ ></span>
(Other definitions for economic that I've seen before include "system of money" , "(Likely to be) profitable" , "Fiscal" , "Inexpensive" , "Comic one giving a good return for money laid out" .)