"act or state of expecting; anticipatory belief or desire," 1590s, from Medieval Latin expectantia, from Latin expectans/exspectans (present participle of expectare/exspectare "await, desire, hope;" see expect) + -ancy. Related: Expectance.
an indicator of expectancy in development
expatiate
expatiation
expatriate
expatriation
expect
expectancy
expectant
expectation
expectorant
expectorate
expectoration