Realisation is the act of becoming aware of something. It can also be the fulfilment or achievement of something. In terms of synonyms, "recognition", "comprehension", "understanding" and "perception" convey similar meanings. "Appreciation", "grasp" and "acknowledgement" are also appropriate synonyms for realisation. Additionally, "attainment", "accomplishment" and "fulfilment" are synonyms if used in the context of realisation regarding the achievement of a goal or desire. Overall, these synonyms for realisation emphasise the importance of gaining knowledge, insight and awareness in different aspects of life.