Serviceable (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">serviceable</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for usable that I've seen before include "open to exploitation" , "at one's disposal" , "Fit for purpose" , "(Of, eg, tool) employable" , "Affording some purpose" .)
(Other definitions for useful that I've seen before include "profitable" , "Handy, serviceable" , "Advantageous, serviceable" , "Handy, practical" , "Utilitarian" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">serviceable</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for of use that I've seen before include "Advantageous" , "Handy" , "practical" , "Helpful" , "Useful" .)