The term 'permeate fully' can be summed up by the crossword solution 'IMBUE, ' which is a five-letter word. IMBUE means to fill or saturate something with a feeling, quality, or idea. It is often used to describe how an emotion or idea can be deeply ingrained in someone or something. For example, a teacher might IMBUE their students with knowledge and understanding. In this context, permeate fully could mean that the feeling, quality, or idea has been completely absorbed.