Makaton
/ˈmakətɒn/(also makaton, Maketon)
noun
A trademark for: a language programme integrating speech, manual signs, and graphic symbols, developed to help people for whom communication is very difficult, especially those with learning disabilities.
Origin
1970s. From the names of Margaret Walker, deviser of the system, and of Kathy Johnston andTon y Cornforth, who provided Walker with information.