(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.

(chiefly UK) To be introverted; to stay away from others.

(idiomatic) To remain vigilant for someone or something. / (idiomatic) To remain vigilant for a possibly dangerous situation.

(intransitive) To avoid or eschew. / (transitive) To deny (someone or something) access to, to maintain distance between.

To keep one's own business private; to be careful, circumspect, or discreet in what one says concerning one's own deeds, situation, or thoughts.

(idiomatic, Britain, colloquial) To stay calm; to be patient; to calm down.