
1) Agricultural goddess 2) Death goddess 3) Oracular goddess 4) Wisdom goddess 
Found on 
https://www.crosswordclues.com/clue/gefjon

 In Norse mythology, Gefjon or Gefjun (with the alternate spelling Gefion) is a goddess associated with ploughing, the Danish island of Zealand, the legendary Swedish king Gylfi, the legendary Danish king Skjöldr, foreknowledge, and virginity. Gefjon is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources; the...
Found on 
http://en.wikipedia.org/wiki/Gefjon

In Norse mythology, Gefjon is a prophetic virgin goddess and a member of the Aesir and Vanir. All women who die virgins go to her hall. She was also a fertility goddess. In one myth, Gylfi, king of Sweden, tells Gefjon, who was disguised as a beggar, that she could have as much of Sweden as she could plough with four oxen in one day. She traveled t...
Found on 
http://www.probertencyclopaedia.com/browse/D4.HTM
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