\starttext

\setupxtable[suffix][align=middle,foregroundcolor=red]
\setupxtable[blabla][foregroundstyle=slanted]
\setupxtable[crap]  [foregroundcolor=blue]
\setupxtable[bold]  [crap][foregroundstyle=bold]

\startxtable[frame=off]
    \startxtablehead
        \startxrow[bold]
            \startxcell[suffix] a 0 \stopxcell
            \startxcell[blabla] a 1 \stopxcell
            \startxcell         a 2 \stopxcell
        \stopxrow
    \stopxtablehead
    \startxtablebody
        \startxrow \startxcell[suffix][ny=2] a 1 \stopxcell \startxcell b 1 \stopxcell \startxcell c 1 \stopxcell \stopxrow
        \startxrow                                          \startxcell b 2 \stopxcell \startxcell c 2 \stopxcell \stopxrow
        \startxrow \startxcell[suffix]       a 3 \stopxcell \startxcell b 3 \stopxcell \startxcell c 3 \stopxcell \stopxrow
        \startxrow \startxcell[suffix]       a 4 \stopxcell \startxcell b 4 \stopxcell \startxcell c 4 \stopxcell \stopxrow
        \startxrow \startxcell[suffix]       a 5 \stopxcell \startxcell b 5 \stopxcell \startxcell c 5 \stopxcell \stopxrow
    \stopxtablebody
\stopxtable

\stoptext
