Positive, beneficial (4)

I believe the answer is:
good
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">positive</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >'<span class="explanation-format__original">beneficial</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for good that I've seen before include "Pious" , "benefit" , "Pleasing; virtuous" , "Having desirable qualities" , "Obedient" .)