Receptive or sensitive to something; susceptible:the body is rendered more susceptive of the causes of this disease...
If patients go untreated during the ‘window of opportunity’ over the first few episodes of the illness, they appear to be less susceptive to treatment with antidepressants.
I have always been very susceptive to such things, and I could tell she was going to say something that I wouldn't like.
Origin
Late Middle English: from late Latin susceptivus, from suscept- 'taken up', from the verb suscipere(see susceptible).