Instiller

in·still also in·stil  (n-stl)

tr.v. in·stilled, in·still·ing, in·stills also in·stils

1. To introduce by gradual, persistent efforts; implant: "Morality . . . may be instilled into their minds" (Thomas Jefferson).

2. To pour in (medicine, for example) drop by drop.

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[Middle English instillen, from Latin nstllre : in-, into; see in-² + stllre, to drip, drop (from stlla, drop).]

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instil·lation (nst-lshn) n.

in·stiller n.

in·stillment n.