1. (a.) Of or pertaining to punishment, to penalties, or to crimes and offenses; pertaining to criminal jurisprudence
2. (a.) Enacting or threatening punishment; as, a penal statue; the penal code.
3. (a.) Incurring punishment; subject to a penalty; as, a penalact of offense.
4. (a.) Inflicted as punishment; used as a means of punishment; as, a penal colony or settlement.
Thesaurus Entries
Fabian, adjuvant, aid, alterative, analeptic, antidote, assistance, balm, balsam, castigatory, chastening, chastising, counteractant, counteractive, counteragent, countermeasure, counterstep, curative, cure, disciplinary, emendatory, gradualistic, grueling, healing, healing agent, healing quality, help, iatric, inflictive, medicative, medicinal, melioristic, penal, penological, prescription, punishing, punitive, punitory, radical, receipt, recipe, reformational, reformative, reformatory, reformist, reformistic, relief, remedial, remedial measure, remedy, restorative, retributive, revisional, revisionist, revisory, revolutionary, sanative, sanatory, sovereign remedy, specific, specific remedy, succor, therapeutic, theriac, utopian
