Providential (6-4)
I believe the answer is:
heaven-sent
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">providential</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for heaven-sent that I've seen before include "Coming at a very opportune time" , "Providential" , "Very timely" , "Occurring just at the right time" .)