1) Absorbent 2) Absorptive 3) Causing absorption 4) Sorbefacient 
causing or promoting absorption
1. Causing absorption. ... 2. Any substance possessing such quality. ... Origin: L. Ab-sorbeo, to suck in, + facio, to make ... (05 Mar 2000) ... 
(ab-sor″bә-fa´shәnt) causing absorption. absorbent (def. 3).
Type: Term Pronunciation: ab-sōr-bĕ-fā′shŭnt Definitions: 1. Causing absorption. 2. Any substance possessing such quality.
[adj] - inducing or promoting absorption
absorbefacient Causing absorption, drying up.
sorbefacient adjective inducing or promoting absorption
causing absorption.