From gesture +‎ -like.

gesturelike (comparative more gesturelike, superlative most gesturelike)

1. Resembling or characteristic of a gesture.
   • 1988, Phillip Stambovsky, The depictive image: metaphor and literary experience:

     Appealing to specific instances of metaphor to illustrate meaning in a gesturelike manner only results in vacuous circularity […]

   • 2005, Marc Marschark, Patricia Elizabeth Spencer, Oxford handbook of deaf studies, language, and education:

     […] DCDP children are exposed to more points and gesturelike signs in their linguistic environment […]