When it comes to breaking the ice, there are numerous ways to do it. "Conversation starters" or "discussion openers" are common synonyms for "icebreakers." Another synonym for "icebreakers" could be "get-to-know-you games," as these types of activities are often designed to help people feel more comfortable and familiar with each other. "Warm-up" exercises can also be used as synonyms, as they often serve the same purpose of getting people ready and excited for a group activity or discussion. Lastly, "social mixers" could also be considered synonymous with "icebreakers," as they aim to create opportunities for individuals to interact and socialize with people they may not have met before.