The Oxford Thesaurus An A-Z Dictionary of Synonyms - liableadj.

1) likely, apt, prone, inclined, disposed: She is liable to want payment for her contribution. 2) answerable, responsible, accountable, obligated, blameable, blameworthy, Law actionable: An owner is liable for damage done by his dog. 3) exposed, susceptible, vulnerable, open, subject: Certain kinds of plants are more liable to disease.