"To get rid of" means...
To throw it away
"To get presents" means...
To RECEIVE presents
"To get read" means...
To prepare
"To get engaged" means...
to BECOME engaged
"To get on well with someone" means...
To have a good relationship with them
"To get up" means...
To get out of bed
"To get back" means...
To return
"To get the bus" means...
To CATCH the bus
"To get back" means...
To RETURN
"To get together" means...
To socialise together