Abstract:
The purposes of this research were: 1) To study dialect for development ofthe Mekong River Basin community at Nongkhai province. 2) To study the dynamic ofwisdom dialect, social and cultural changes and 3) To propose conservation
methods, promote wisdom dialect that is valuable for life. Data collection tools areinterview forms and observation, data collection by interview and participatoryobservation the groups was given the data consist of local wisdom philosopher and
language experts or villagers who understand the structure of the language that livesin the Mekong Basin community in Nongkhai province. Acquired by purposiveselection method of 25 person after that, take the interview results to analyze and synthesize the data by interpreting and creating conclusions in accordance with theobjectives.
The results showed that:
1) Isan dialect is the language that the Mekong River Basin society that iswidely used in the area of Nong Khai Province. 2) The change of language accordingto the social, cultural, economic, political and administrative conditions, and 3) Isan
Dialect began to be conserved and rehabilitated with the government system to bepopular and conserved to continue to maintain, such as the Thai Noi alphabet andthe Thai Dhamma Isan alphabet etc.
The language and Alphabet are the wisdom of the community risk of lossor face threats. Therefore, the family institution is the first thing that should beinstilled in children to see that the dialect has how important? And instill in children
not embarrassed to speak the dialect in society or in the family. The secondinstitution is people in society that should not be disgusted or seeing that peoplespeak the dialect is strange. We should even praise because the dialect is worth
keeping."