apprehend [apprehended, apprehending, apprehends](to take hold of (something) with the understanding, see also: understand) verb [UK: ˌæ.prɪ.ˈhend] [US: ˌæ.prə.ˈhend]
discern [discerned, discerning, discerns](to detect with the senses, especially with the eyes) verb [UK: dɪ.ˈsɜːn] [US: ˌdɪ.ˈsɝːn]
perceive [perceived, perceiving, perceives](to become aware of) verb [UK: pə.ˈsiːv] [US: pər.ˈsiːv]To exist is to be perceived. = Existir es ser percibido.
sense [sensed, sensing, senses](to instinctively be aware) verb [UK: sens] [US: ˈsens]Blind people sometimes develop a compensatory ability to sense how close objects are around them. = La gente ciega a veces desarrolla una habilidad compensatoria de percibir la proximidad de los objetos alrededor de ellos.