act of violence;  violent behavior
 act of self-advertisement;  publicity stunt
 individual action;  unilateral act
 suicidal act;  self-destroying action;  suicidal action
 sexual act;  sexual intercourse
 act of treachery;  breach of faith;  stab in the back;  double-cross
 (act of) masturbation;  pleasuring oneself
 act of self-harm;  self-injurious behavior;  self-injurious behaviour
 unfair practices;  wrongdoing;  malpractice;  cheating;  foul play
 act of terror;  act of terrorism
 exceeding one's authority;  abusing one's legal authority;  ultra vires activities
 breach of faith;  breach of trust;  act of disloyalty
 interference;  obstruction;  sabotage
 tort;  illegal act;  illegal activity;  offence;  offense
 demonstration;  manifestation;  protest
 act which serves the interests of (benefits) the enemy
 act of obscenity;  obscene act;  lewd act;  indecent act;  indecent conduct;  indecent behavior
 delinquency;  misdeed;  misconduct;  delinquent behavior
 constitutional functions (of the emperor)
 sexual intercourse (esp. with a prostitute);  actual sex (in movies, etc.)
 doer;  performer (of a deed);  perpetrator
 economic behavior;  economic activities;  economic act
 act of endowment or donation
 cheating at pachinko (through illegal tampering with the machines, etc.);  scamming a pachinko parlor
 cheating at pachinko (through illegal tampering with the machines, etc.);  scamming a pachinko parlor
 bookmaking;  (stock market) bucketing
 bookmaking;  (stock market) bucketing
 act of disobedience (betrayal);  violation;  breach;  infraction;  infringement
 designated procedures;  specified acts
 unfair labor practices;  unfair labour practices
 actio libera in causa;  manufacturing the conditions of one's own defence (e.g. getting drunk in order to commit a crime)
 act of litigation;  act of procedure
 profit-making activity;  commercial endeavor
 capacity to act;  legal capacity
 violation;  offense;  offence
 gratuitous act;  volunteering
 (formal act of) agreement
 aberration;  aberrant behavior;  eccentric (erratic) behavior;  indulging in an escapade
 licensed entertainment of customers
 anticompetitive behaviour;  anticompetitive behavior;  anticompetitive practice