Spectrographically is a word that refers to the study and analysis of light spectra using specially designed instruments such as spectrographs. There are several synonyms that could be used to express this idea, such as spectroscope-wise, spectra-analytically, or simply spectroscopically. Other options include light-reading, spectral-patterning, radiance-measuring, and wavelength-tracking. These synonyms describe the process of observing and analyzing the properties of light in different contexts, including astronomy, chemistry, physics, and even art or design. Whether you are a scientist, a photographer, or a curious observer, using these synonyms can help you convey your interest in the fascinating world of spectroscopy.