The phrase "onto land" refers to the movement of something from water or sea onto dry ground. There are several synonyms that can be used to describe this action, such as "ashore," "beached," and "landed." The word "ashore" is often used to mean the opposite of "offshore," and it suggests a final destination reached after a journey. The term "beached" is usually used in reference to marine animals that have become stranded on the shore. Finally, the word "landed" refers to an arrival that is more controlled and planned, such as the landing of an aircraft on a runway. Overall, each synonym for "onto land" shades the meaning of the phrase in a slightly different way, depending on the context.