Go steady with (3)
I believe the answer is:
see
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">go steady with</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for see that I've seen before include "Inspect" , "Discern visually" , "Realize" , "Go out with; notice" , "Bishop's seat" .)