(idiomatic) To inform (someone) regularly of the latest developments.

(idiomatic) To pretend to be all right or that everything is going well; to maintain an appearance of wealth, comfort, or propriety.

(idiomatic) To act or make purchases for status or image rather than out of need, especially for the purpose of competing with friends, neighbors, or society.

(idiomatic) To look out (for something) attentively.

(idiomatic) To watch for or look out for.

(idiomatic) To furnish someone with sufficient relevant information and include them in the decision-making process.

(idiomatic) To keep someone attentive, active, busy or alert.

(informal) To be more patient; to calm down.

(idiomatic) To remain calm, reasonable, level-headed, especially in a situation likely to cause distress.

(idiomatic) to pay careful attention to a situation or a thing, so that you can deal with any changes or problems.