Send-off and Take off

Send-off noun - An organized expression of goodwill at the start of a trip or new venture.

Take off and send-off are semantically related. In some cases you can use "Take off" instead a verb phrase "Send-off".

Take off verb - To leave a place often for another.

Send-off and take off are semantically related. Sometimes you can replace phrase "Send-off" with "Take off", this terms are similar.