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smile on someone or something
to be favorable to someone or something. Fate smiled on me and I got the job. Lady luck smiled on our venture and we made a profit.
smile (up)on someone or something
to bestow approval on someone or something. (Upon is formal and less commonly used than on.) Fate has smiled upon me at last! I wish good luck would smile on me.
Look with favor or approval on, as in The current administration smiles on anyone who gives it helpful publicity. [c. 1400]
To regard someone or something with favor or approval: Good fortune smiled on our efforts, and our plan succeeded.