Immersion methods refer to techniques or approaches used to facilitate a deep and thorough understanding of a particular subject. Synonyms for immersion methods include "deep learning" where learners are fully engaged and immersed in a subject matter, "total immersion" which involves complete and intensive exposure to a language or culture, and "full immersion" where learners are fully immersed in a simulated environment. Additionally, "saturated learning" can also be used to describe immersion methods where learners are soaked in the subject matter in order to gain a comprehensive understanding. Ultimately, immersion methods are an effective way for learners to fully experience and comprehend the nuances and complexities of a given topic.