Definitions of bless:

• verb:   confer prosperity or happiness on
• verb:   give a benediction to

  Example: "The dying man blessed his son"

• verb:   make the sign of the cross over someone in order to call on God for protection; consecrate
• verb:   render holy by means of religious rites
• name:  A surname (very rare: popularity rank in the U.S.: #65560)