THESAURUS
let off
absolve, acquit, amnesty, backfire, blast, blow out, blow up, burst, bust, cast loose, charge, charter, chartered, clear, cock, decontaminate, demobilize, destigmatize, detonate, discharge, dismiss, dispense, dispense from, dispense with, drop, eject, except, excepted, exculpate, excuse, excused, exempt, exempt from, exempted, exonerate, explode, farm, farm out, favored, fell, fire, fire off, forgive, free, fulminate, give absolution, give dispensation from, go bail for, go off, grant amnesty to, grant bail to, grant immunity, grant remission, gun, gun for, hire, hire out, hit, immune, irresponsible, job, justify, lease, lease out, lease-back, lease-lend, lend-lease, let, let fly, let go, let go free, let loose, let out, licensed, load, nonpros, pardon, parole, pelt, pepper, permitted, pick off, pistol, plug, pot, potshoot, potshot, prime, privileged, purge, put on parole, quash the charge, release, released, relieve, remise, remit, rent, rent out, riddle, save the necessity, set free, set off, shoot, shoot at, shoot down, shrive, snipe, spare, spared, strike, sublease, sublet, take a potshot, torpedo, touch off, unaccountable, unanswerable, underlet, unhand, unliable, unsubject, vindicate, whitewash, withdraw the charge
ROGET THESAURUS
let off
Permission
VB
permit, give permission, give power, let, allow, admit, suffer, bear with, tolerate, recognize, concede, accord, vouchsafe, favor, humor, gratify, indulge, stretch a point, wink at, connive at, shut one's eyes to, grant, empower, charter, enfranchise, privilege, confer a privilege, license, authorize, warrant, sanction, intrust, give carte blanche, give the reins to, give scope to, leave alone, leave it to one, leave the door open, open the door to, open the flood gates, give a loose to,
let off, absolve, release, exonerate, dispense with, ask permission, beg permission, request permission, ask leave, beg leave, request leave.
Acquittal
VB
acquit, exculpate, exonerate, clear, absolve, whitewash, assoil, discharge, release, liberate, reprieve, respite, pardon,
let off,
let off scot- free, drop the charges, plea bargain, strike a deal, no-cause (in civil suits), get no-caused.
Forgiveness
VB
forgive, forgive and forget, pardon, condone, think no more of, let bygones be bygones, shake hands, forget an injury, excuse, pass over, overlook, wink at, bear with, allow for, make allowances for, let one down easily, not be too hard upon, pocket the affront,
let off, remit, absolve, give absolution, reprieve, acquit, beg pardon, ask pardon, implore pardon, conciliate, propitiate, placate, make up a quarrel, let the wound heal.
Exemption
VB
not have, be without, excuse, be exempt, exempt, release, acquit, discharge, quitclaim, remise, remit, free, set at liberty,
let off, pass over, spare, excuse, dispense with, give dispensation, license, stretch a point, absolve, exonerate, save the necessity.
Propulsion
VB
propel, project, throw, fling, cast, pitch, chuck, toss, jerk, heave, shy, hurl, flirt, fillip, dart, lance, tilt, ejaculate, jaculate, fulminate, bolt, drive, sling, pitchfork, send, send off,
let off, fire off, discharge, shoot, launch, release, send forth, let fly, put in orbit, send into orbit, launch into orbit dash, put in motion, set in motion, set agoing, start, give a start, give an impulse to, impel, trundle, expel, carry one off one's legs, put to flight.