Soak in the tub (5)
I believe the answer is:
bathe
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">soak in the tub</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for bathe that I've seen before include "plunge" , "Immerse oneself in water" , "Become immersed in" , "Take a swim; envelop" , "bit of swimming" .)