Obtrude (6)
I believe the answer is:
impose
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">obtrude</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that obtrude is a more specific form of the action impose)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for impose that I've seen before include "Foist" , "Enforce" , "Inflict (something unpleasant)" , "Make demands of" , "Decree" .)