The term 'attuned (to)' can be described as being 'keyed' into something, which is a five-letter word. To be attuned to something means to be in tune with it, to be aware of it and to be sensitive to it. It is a state of being that is achieved through understanding and awareness. Being attuned to something means to be able to recognize the subtle nuances and changes that occur in the environment or situation. It is a heightened state of awareness that allows one to respond quickly and accurately to any changes that may occur.