Raise a glass to (5)
I believe the answer is:
toast
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">raise a glass to</span>' is the definition.<br/ ><span class="explanation-format__explanation">(to raise a glass to someone is to toast them)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for toast that I've seen before include "Health-giving" , "Food (that one can drink!)" , "Cook by radiant heat" , "It's found under marmalade and butter" , "Cheers" .)