sensitive >> ˈsɛnsɪtɪv
Definition: [adjective] quick to detect or respond to slight changes, signals, or influences.
Example: the new method of protein detection was more sensitive than earlier ones
Definition: [adjective] having or displaying a quick and delicate appreciation of others' feelings.
Example: I pay tribute to the Minister for his sensitive handling of the bill
Definition: [adjective] kept secret or with restrictions on disclosure to avoid endangering security.
Example: he was suspected of passing sensitive information to other countries
Definition: [noun] a person who is believed to respond to paranormal influences.