Answer: icebreaker

AnswerCrossword Clue
ICEBREAKERPolar ship or tension reliever
ICEBREAKERTension easer
ICEBREAKERParty warmer-upper
ICEBREAKERConversation opening
ICEBREAKER"What's your sign?" perhaps
ICEBREAKERGet-acquainted soiree, e.g.
ICEBREAKERConversation opener
ICEBREAKERIt gets the party going
ICEBREAKERGet-acquainted soiree
ICEBREAKERConversation starter, maybe
ICEBREAKEREarly party line
ICEBREAKERStart of many a party
ICEBREAKERIt gets the party started
icebreakerA ship designed for breaking a channel through ice
icebreakerA thing that serves to relieve inhibitions or tension between people, or start a conversation
icebreakera boat for making a passage through ice
icebreakerA thing that breaks up moving ice so as to lessen its impact, esp. a structure protecting the upstream end of a bridge pier
ICEBREAKERArctic vessel
ICEBREAKERGetting-to-know-you party activity
ICEBREAKERIt eases tension
ICEBREAKERTension-easing activity
ICEBREAKERGame used as an introduction
ICEBREAKERParty picker-upper
ICEBREAKERConversation starter
ICEBREAKERArctic ship
ICEBREAKERParty conversation starter
ICEBREAKERParty game, perhaps
ICEBREAKERShip in Arctic waters.
ICEBREAKERArctic vessel.
ICEBREAKERU. S. S. Glacier, for example.
ICEBREAKERShip of a sort.
ICEBREAKERShip of the Far North.
ICEBREAKERThis gets the party going
ICEBREAKEROpening action removing tension