cause (somebody) to feel happier or more cheerful;
"She tried to cheer up the disappointed child when he failed to win the spelling bee"
- I know she's trying to jolly me along.
- The fine weather will bring the crops along.
- The job won't be finished on time unless you jolly the men along with an occasional bonus.
- The fiddler crab encourages him to continue to do so and the resulting beat enables Micky to drum along with his new friends.