Sensible and safe regarding COVID-19.

With reference to or in terms of COVID-19.

(dated, slang, often with to) To explain; to inform of something.

Alternative spelling of worldly-wise

The realm or sphere of wiseacres.

plural of wiseacreism

The behaviour or utterance of a wiseacre; know-it-allism.

Full of wisdom.

Resembling or characteristic of a wiseacre.

After one has seen the consequences of a decision, it is easy to tell whether or not the decision was favorable, but it is also too late, since the consequences have already occurred.