Im*paste" (?), v. t. [imp. & p. p. Impasted; p. pr. & vb. n. Impasting.] [Pref. im- in + paste: cf. It. impastare, OF. empaster, F. empater. See 1st In- and Paste.]
To knead; to make into paste; to concrete.
"Blood . . . baked and impasted
To lay color on canvas by uniting them skillfully together. [R.] Cf. Impasto.
© Webster 1913.