Possible Clues:

• Greek lyric poetess of Lesbos in 6th century BC
• Homoerotic Greek poet dubbed 'The Tenth Muse' by Plato
• Has to keep very quiet about love poet
• Poet shows energy, the first in publishing house
• Ancient Greek poet who inspired the term "lesbian"
• The Tenth Muse has elevated love, penning pages
• Ancient poet from Lesbos
• Ancient Greek poet
• Famed poet of Lesbos
• Poet thus keeps mostly happy, animated within