Verb
let past (third-person singular simple present lets past, present participle letting past, simple past and past participle let past)
(usually of a car or driver) To allow someone to pass or get past one.
This guy is right up on my tail, so I will slow down to let him past.
Hold on to your dream. Don't let past failures or dire economic forecasts make you a pessimist. Keep your youthful dreams alive and create your own opportunities. Paul Zane Pilzer