\starttext

% predefined: \definefontfeature[dingbats][goodies=dingbats,unicoding=yes]

Star: {\definedfont[d050000l*dingbats]✪ \char"272a}\par
Star: {\definedfont[d050000l:goodies=dingbats,unicoding=yes]✪ \char"272a}

\stoptext
