The question of whether word meanings have internal structure identical in kind to the syntax of sentences is examined. Evidence is sought for the structural aspects of word meaning and the issue of whether judgements of similarity between words is based on meaning content or on meaning structure is raised. Four hypotheses were tested: (1)…

That semantics interacts with syntax has been shown in psycholinguistic investigations of the processing of language by adults and of the acquisition of language by children. The few programs for language assessment and therapy that have attempted to incorporate semantic considerations have included some misunderstandings of the psycholinguistic…