( BrE ) ( NAmE in·still ) / ɪnˈstɪl; NAmE / verb
( -ll- ) [ vn ] instil sth (in / into sb) to gradually make sb feel, think or behave in a particular way over a period of time :
to instil confidence / discipline / fear into sb
••
WORD ORIGIN
late Middle English (originally meaning to drop a substance into something as liquid drops): from Latin instillare , from in- into + stillare to drop (from stilla a drop).