Let in and Shake hands

Let in verb - Allow to enter; grant entry to.

Shake hands and let in are semantically related in take in guest or member topic. In some cases you can use "Shake hands" instead a verb "Let in".

Shake hands verb - Take someone's hands and shake them as a gesture of greeting or congratulation.

Let in and shake hands are semantically related in take in guest or member topic. Sometimes you can use "Let in" instead a verb phrase "Shake hands".