Notwithstanding
Notwithstanding these weaknesses, the argument has some merit… Notwithstanding these restrictions, the research suggests that…
Nevertheless
Nevertheless, further research is necessary Their argument, nevertheless, made a significant contribution to the development of… Nevertheless, the study has not escaped criticism…
However
However, this theory does not fully explain why … However, there is an inconsistency with this argument … A serious weakness with this argument, however, is that … One question that needs to be asked, however, is whether…
Nonetheless
The study was long but, nonetheless, informative and thought provoking. The problems are not serious. Nonetheless, they must be acknowledged Although this essay has explored the negative aspects of… it is nonetheless acknowledged that…