Very probably (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">very probably</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 easily that I've seen before include "With little difficulty" , "Without much difficulty" , "with little effort" , "without a hitch?" , "Effortlessly" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">very probably</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 doubtless that I've seen before include "Probably, certainly" , "Definitely not" , "Positive" , "Unquestionably" , "Assuredly" .)