apt (adj.) 6
impressionable, susceptible
JC V.iii.68 [Messala as if to Error] Why dost thou show to the apt thoughts of men / The things that are not?
Tim I.i.136 [Old Athenian to Timon, of his daughter] She is young and apt
Ven 354 [] His tend'rer cheek receives her soft hand's print / As apt as new-fall'n snow takes any dint