WordNet (r) 3.0 (2006):

radio receiver
    n 1: an electronic receiver that detects and demodulates and
         amplifies transmitted signals [syn: radio receiver,
         receiving set, radio set, radio, tuner, wireless]

Moby Thesaurus II by Grady Ward, 1.0:

55 Moby Thesaurus words for "radio receiver":
   AF amplifier, AFC, RF amplifier, amplifier, baffle, bypass,
   cabinet, capacitor, chassis, coil, condenser, console, detector,
   dial, exciter, filter, frequency control, heater, heterodyne,
   housing, inductor, knob, lead-in wire, on-off switch,
   output transformer, parasitic suppressor, phase control,
   potentiometer, power pack, power plug, power supply,
   power transformer, preamplifier, preselector,
   program discriminator, radio, radio set, radio telescope,
   radio-frequency amplifier, receiver, receiving set, resistor,
   rheostat, selector, selsyn, set, speaker, tone control,
   transformer, transistor, trimmer, volume control, wave trap,
   wireless, wireless set