Infancies refer to the early stages of a person's life. However, several synonyms can be used instead of infancies to describe this stage of life. One option is "childhood," which describes the period from birth until the teenage years. "Youth" is another synonym that can be used to describe the early stages of life. This term can refer to the period when someone is developing from a child to an adult. Another option is to use the word "beginning," which can describe the start of someone's life journey. "Early years" is another synonym that can be used instead of infancies to describe the early stages of life. These synonyms can be used interchangeably to describe the early stages of life.