More than occasionally (5)
I believe the answer is:
often
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">more than occasionally</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for often that I've seen before include "Turn away" , "Commonly" , "on numerous occasions" , "Frequently, not seldom" , "More than occasionally" .)