Penetrable

(a.) Capable of being entered or pierced.

Thesaurus Entries

accessible, apprehensible, approachable, articulate, assailable, attackable, attainable, available, beatable, cognizable, come-at-able, comprehensible, conquerable, easily understood, easy to understand, exoteric, expugnable, fathomable, findable, getatable, gettable, intelligible, knowable, obtainable, open, open to, openable, permeable, pervious, plumbable, porose, porous, pregnable, prehensible, procurable, reachable, readable, scrutable, securable, surmountable, to be had, understandable, vincible, vulnerable, weak, within reach