Biological process

positive regulation of NK T lymphocyte proliferation, positive regulation of NK T-cell proliferation, positive regulation of NK T-lymphocyte proliferation, positive regulation of NKT cell proliferation, positive regulation of NT cell proliferation, positive regulation of natural T cell proliferation, positive regulation of natural killer T cell proliferation, up regulation of NK T cell proliferation, up-regulation of NK T cell proliferation, upregulation of NK T cell proliferation

Any process that activates or increases the frequency, rate or extent of natural killer T cell proliferation.