Sociolinguistic Analysis of the Commissive Speech Acts of Travelling Vendors in a Housing Complex in Palu City

This study aims to describe the meaning and form of commissive speech acts used by traveling vendors and the implications of these types of speech acts expressed to customers and prospective buyers in a housing complex in Palu city. This type of research is qualitative, where the data in this study are oral data sourced from speech acts expressed by the traveling vendors to customers and prospective buyers during the interaction. Data collection was carried out through observation technique, recording technique, note-taking technique, and documentation. The results of the study indicate that traveling vendors more often use commissive speech acts of the 'promising' type of speech act and the 'guaranteeing' type of speech act through the choice of diction and utterances that make customers and other potential buyers feel well served and confident that what is being marketed is truly in accordance with the desires of customers and other buyers. The implications of the results of this study indicate that unique and varied speech acts with the right choice of diction in expressing the types of commissive speech acts, are able to attract buyers' interest and merchandise is sold more quickly.