What is the meaning of добро?

good, goodness

good omen

welfare

well, alright, fine, okay

good

good (that which is ethical or moral, the opposite of evil)

goods, property

stuff

green light, consent, permission, the OK

the name of the letter д in the ancient Slavonic or old Russian alphabet

okay

kindly

short neuter singular of до́брый (dóbryj)

Name of the letter <d> in the Glagolitic alphabet.

property, estate

well-being, welfare, sake

well

okay, all right, very well

dobro (acoustic guitar)

good (that which is correct or helpful)

goods, property

Source: wiktionary.org