Confirm participation in (a competition) (5)
I believe the answer is:
enter
(Other definitions for enter that I've seen before include "Treen (anag.)" , "Infiltrate" , "Gain access to" , "submit?" , "Gain admission" .)
I believe the answer is:
enter
(Other definitions for enter that I've seen before include "Treen (anag.)" , "Infiltrate" , "Gain access to" , "submit?" , "Gain admission" .)