verb

• (transitive) To endeavor to gain someone's affection/support.
  "They're trying to woo the customers back with this new mobile plan."
• (transitive, often of a man) To try to persuade (someone) to be in an amorous relationship with
  "Soo leue we syr Launcelot lyenge within that caue in grete payne / and euery day ther came a lady & brouȝt hym his mete & his drynke / & wowed hym to haue layne by hym / and euer the noble knyghte syre Launcelot sayd her nay. "So leave we Sir Launcelot lying within that cave in great pain; and every day there came a lady and brought him his meat and his drink, and wooed him, to have lain by him; and ever the noble knight, Sir Launcelot, said her nay.""
• (transitive) To court solicitously; to invite with importunity; to solicit in love.
  "Thee Chauntreſs oft the Woods among, / I woo to hear thy eeven Song;"

intj

• (slang) Expressing joy or excitement; woohoo, yahoo.
  ""I got you a new cell phone." "Woo, that's great!""