Answer:

entering

AnswerCrossword Clue
ENTERINGBreaking partner
ENTERINGRecording, as in a journal
ENTERINGKeying in
ENTERINGState-border sign word
ENTERINGBecoming a contestant
ENTERINGPiercing
ENTERINGJoining.
ENTERING... wedge.
ENTERINGGaining admission to.
ENTERINGJoining up.
ENTERINGPutting on the books.
ENTERINGStarting upon.
ENTERINGStepping in.
ENTERINGIncoming
ENTERINGDiarist's activity
ENTERINGGetting into the race
ENTERINGBreaking and ...
ENTERING"Now ......." (town line message)
ENTERINGIt often follows breaking