Pass up and Send-off

Pass up verb - To show unwillingness to accept, do, engage in, or agree to.

Send-off and pass up are semantically related. In some cases you can replace phrase "Send-off" with "Pass up", this terms are similar.

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

Pass up and send-off are semantically related. Sometimes you can use "Pass up" instead a verb phrase "Send-off".