cultivate

[1]	till , plough , farm , work
[2]	grow , crop , work , raise , tend , produce
[3]	develop , educate , school , promote , further , train , civilize , encourage , foster , civilise , advance
[4]	woo , domesticate , naturalize , make advances to , ingratiate oneself with , naturalise , tame , court , pay court to , curry favour with , (Colloq) work on , (Slang) suck up to , butter up , (US) shine up to , (Colloq) (Slang) brown-nose