We don't have synonyms for blueshift yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are blue shift, blueshirt and blueschist.
(n) :
(physics: astronomy, relativity) A decrease in the wavelength of a photon or of light, corresponding to a higher frequency and a shift toward the blue end of the electromagnetic spectrum.
(v) :
(physics: astronomy, relativity) (ergative) (said of light or a photon) To shift toward the blue end of the electromagnetic spectrum; to change to a shorter wavelength and a higher frequency.
(n) :
(physics: astronomy, relativity) A decrease in the wavelength of a photon or of light, corresponding to a higher frequency and a shift toward the blue end of the electromagnetic spectrum.
(v) :
(physics: astronomy, relativity) (ergative) (said of light or a photon) To shift toward the blue end of the electromagnetic spectrum; to change to a shorter wavelength and a higher frequency.