She was completely unaware of being under observation or that her tenacity implied far greater familiarity with the terrain than she actually possessed.

She removed her cloak, and hung it by the door in a gesture that implied familiarity.

Other than that, the one remark that actually penetrates his brain is when one of the Other Guys says something about the Prime Minister that implies considerable familiarity.

Pani Anna: Mrs./Ms. Anna Which are more formal than using the typical familiar ty/on/ona, but they may imply familiarity, especially in second person.

There followed a good-natured exchange of insults that implied familiarity.

The references to salvation through "the cross" seem to imply familiarity with Paul's letters, or at least his teachings.

Either implies an offworld origin for the Master, or too-great familiarity with the Romulans.

In some cases the first or second name may be the one that is most used, and this does not imply familiarity (Arabs often address foreigners politely as "Mr John" or "Dr David").

It implied familiarity.

To me, friendship implies familiarity.