Engagement (9)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">engagement</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for betrothal that I've seen before include "Promise of marriage" , "Commitment" , "Engagement to marry" , "Plight" , "Promise between two people" .)
(Other definitions for ring that I've seen before include "Circus arena" , "something at the jewellery shop?" , "resonant sound" , "Sound a doorbell" , "Piece of jewellery" .)