Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb send_in

2 senses of send in

Sense 1
send in -- (mail in; cause to be delivered; "Send in your comments")
       => send, send out -- (to cause or order to be taken, directed, or transmitted to another place; "He had sent the dispatches downtown to the proper people and had slept")

Sense 2
send in -- (give one's name or calling card to a servant when making a formal visit)