. "\"Any process that activates or increases the frequency, rate or extent of alpha-beta T cell activation.\" [GOC:ai]" . . "positive regulation of alpha-beta T cell activation" . "positive regulation of alpha-beta T lymphocyte activation" . "positive regulation of alpha-beta T-cell activation" . "positive regulation of alpha-beta T-lymphocyte activation" . "up regulation of alpha-beta T cell activation" . "up-regulation of alpha-beta T cell activation" . "upregulation of alpha-beta T cell activation" . . . "activation of alpha-beta T cell activation" . "stimulation of alpha-beta T cell activation" .