Blessing (noun)

1. A thing that is helpful or beneficial.
2. A prayer asking for God's favor or protection.
3. Something that is a source of happiness or good fortune.
4. A formal expression of good wishes.

Origin:

From the old english word "blessung" meaning "a consecration".

Examples:

1. Having a healthy baby is a blessing.
2. He asked for blessings for his journey.
3. The new job was a blessing in disguise.
4. We received many blessings on our wedding day.
5. A blessing is a thing that is helpful or beneficial.