Chuckled (8)
I believe the answer is:
chortled
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">chuckled</span>' is the definition.<br/ ><span class="explanation-format__explanation">('chortle' can be a synonym of 'chuckle')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for chortled that I've seen before include "Chuckled gleefully" , "Gave loud gleeful chuckles" , "Gleefully laughed" .)