THESAURUS
compunction
attrition, bashfulness, beef, better self, bitch, boggle, boggling, boycott, challenge, complaint, conscience, conscientiousness, contriteness, contrition, demonstration, demur, demurral, demurrer, diffidence, disinclination, exception, expostulation, falter, faltering, fear, grievance, grievance committee, hesitance, hesitancy, hesitation, howl, indignation meeting, kick, march, misgiving, modesty, nonviolent protest, objection, pangs, pangs of conscience, pause, penance, penitently, picketing, pricking of heart, protest, protest demonstration, protestation, punctiliousness, qualm, qualm of conscience, qualmishness, qualms, rally, recoil, regret, reluctance, remonstrance, remonstration, remorse, repentance, reserve, rue, ruth, scruple, scruples, scrupulosity, scrupulousness, self-reproach, shrinking, shyness, sit-in, squawk, stickling, strike, teach-in, throes, touch of conscience, twinge of conscience, unwillingness, voice of conscience
ROGET THESAURUS
compunction
Penitence
N
penitence, contrition,
compunction, repentance, remorse, regret, self-reproach, self-reproof, self-accusation, self-condemnation, self-humiliation, stings of conscience, pangs of conscience, qualms of conscience, prickings of conscience, twinge of conscience, twitch of conscience, touch of conscience, voice of conscience, compunctious visitings of nature, acknowledgment, confession, apology, recantation, penance, resipiscence, awakened conscience, deathbed repentance, locus paenitentiae, stool of repentance, cuttystool, penitent, repentant, Magdalen, prodigal son, a sadder and a wiser man, penitent, repenting, repentant, contrite, conscience- smitten, conscience-stricken, self-accusing, self-convicted, penitential, penitentiary, reclaimed, reborn, not hardened, unhardened, mea culpa, peccavi, erubuit, salva res est, Tu l'as voulu, Georges Dandin, and wet his grave with my repentant tears.