Buoy up (4)
(Other definitions for lift that I've seen before include "Raise - shot in the arm" , "It's an elevator in USA" , "Pick up" , "Raise, elevate" , "Raise - hoist" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">buoy up</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for encourage that I've seen before include "Give support to, stimulate hope" , "Hearten, inspire" , "Hearten, foster" , "Give hope to (someone)" , "Cheer" .)