piquiancy

//–adjective//
 * 1. || agreeably pungent or sharp in taste or flavor; pleasantly biting or tart: //a piquant aspic.// ||
 * 2. || agreeably stimulating, interesting, or attractive: //a piquant glance.// ||
 * 3. || of an interestingly provocative or lively character: //a piquant wit.// ||
 * 4. || //Archaic//. sharp or stinging, esp. to the feelings. ||