At or before the time assigned. / (with for) Sufficiently early. / As time passes. / In rhythm. / (in time with) At the same rhythm as. / (music) In the correct tempo.

(rare) At the due time.

(idiomatic) On occasion, sometimes.

When (some future event has come to pass).

On or near the same date (in the past or in the future). / On this occasion (as opposed to last time or next time).

Never.

It was once true (that)...; there was a time when...

Back then, at the time referred to the specific time period, era, or time frame in the past.

The quality of being timeful.

Used to indicate surprise at how late in time it is.