n.
1.(physiology) responsiveness to external stimuli
2.the ability to respond to physical stimuli or to register small physical amounts or differences
3.sensitivity to emotional feelings (of self and others)
4.susceptibility to a pathogen
5.the ability to respond to affective changes in your interpersonal environment
Idiom of the Day
play one's cards right
to take advantage of one's opportunities
"If you play your cards right you will probably get a promotion soon."