'Hail and speak' is a phrase that is commonly used to initiate contact with someone. There are a number of synonyms that can be used to replace this phrase. Some of these are 'greet and talk,' 'salute and converse,' 'acknowledge and communicate,' 'address and converse,' 'wave and speak,' and 'signal and exchange pleasantries.' All of these synonyms serve the same purpose as 'hail and speak' and can be used interchangeably depending on the situation and the context. Using different words to initiate contact can make communication more interesting and nuanced, and can help to create a more positive and engaging social experience.