perceptible
Concise Oxford English Dictionary © 2008 Oxford University Press:
perceptible/pəˈseptəbl/
▶adjective (especially of a slight movement or change of state) able to be perceived.
– derivatives
perceptibility noun,
perceptibly adverb.
perceptibility noun,
perceptibly adverb.
'perceptible' also found in these Oxford entries:
aesthetic
- cognizable
- conscious
- detect
- distinguish
- faint
- fine
- flicker
- iceberg
- incubate
- phenomenal
- phosphorescence
- tactile
- tangible
- thready
- wind
- wow

