Solemn pledges (5)
I believe the answer is:
oaths
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">solemn pledges</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for oaths that I've seen before include "Solemn promises or curses" , "Imprecations" , "Profane expressions" , "Swearwords" , "truths may be established by them" .)