īn-stīllō āvī, ātus, āre, to pour in by drops, drop in, instil: lumini oleum: (oleum) caulibus, H.
—To drop upon, fall on: guttae saxa instillant.
—Fig., to instil, infuse: tuae litterae mihi quiddam quasi animulae instillarunt: praeceptum auriculis, H.