discern (suomeksi)

huomata (v: to detect with the senses, especially with the eyes)
havaita (v: to detect with the senses, especially with the eyes / to perceive, recognize or comprehend with the mind; to descry)
erottaa (v: abstrakteja asioita / to distinguish something as being different from something else; to differentiate)
nähdä (v: to detect with the senses, especially with the eyes / havaita / with eyes)