Get on Very Common

have smooth relations

"My boss and I get along very well"

get on board of (trains, buses, ships, aircraft, etc.)

get up on the back of

"mount a horse"

grow late or (of time) elapse

"It is getting on midnight--let's all go to bed!"

appear in a show, on T.V. or radio

"The news won't be on tonight"

develop in a positive way

"He progressed well in school"

"My plants are coming along"

"Plans are shaping up"

grow old or older

"She aged gracefully"

"we age every day--what a depressing thought!"

"Young men senesce"

To board or mount (something), especially a vehicle.