the GNU version of the Collaborative International Dictionary of English
n. The state or quality of being lucky.
n. Good fortune; favorable issue or event.
The Century Dictionary and Cyclopedia
n. The state or quality of being lucky or fortunate; good fortune; favorable issue or event.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an auspicious state resulting from favorable outcomes
Word Usage
""luckiness" attached to some of them (as when mince-pies, eaten in different houses during the Twelve Days, bring a happy month each) makes one suspect some more serious original purpose than mere gratification of the appetite."