He insinuated himself into the conversation of the people at the nearby table.
Examples of insinuate
insinuate
Lawmakers, too, will undoubtedly try to insinuate themselves into the boardroom.
From the washingtonpost.com
Some insinuate that he doesn't love America enough to defend it wholeheartedly.
From the economist.com
With this statement you are trying to insinuate CO2 doesn't cause global warming.
From the guardian.co.uk
And you insinuate I gave specific extreme events as evidence of climate change.
From the economist.com
So it's degrading for people like Romney to insinuate that they don't contribute.
From the ideas.time.com
The silly paranoid conspiracies you insinuate exist only in films and fiction.
From the guardian.co.uk
So it's wrong to begrudge her for that as some commentaries here seem to insinuate.
From the guardian.co.uk
Since they didn't, The Post tried to insinuate wrongdoing where none existed.
From the washingtonpost.com
This is not to insinuate any kind of mutiny or a wanton attempt to get Brown fired.
From the sportsillustrated.cnn.com
More examples
Introduce or insert (oneself) in a subtle manner; "He insinuated himself into the conversation of the people at the nearby table"
Intimate: give to understand; "I insinuated that I did not like his wife"
(insinuating) ingratiating: calculated to please or gain favor; "a smooth ingratiating manner"
(insinuation) an indirect (and usually malicious) implication
(insinuation) ingratiation: the act of gaining acceptance or affection for yourself by persuasive and subtle blandishments; "she refused to use insinuation in order to gain favor"
An innuendo is a baseless invention of thoughts or ideas. It can also be a remark or question, typically disparaging (also called insinuation), that works obliquely by allusion. ...
To make a way for or introduce something by subtle, crafty or artful means; To creep, wind, or flow into; To enter gently, slowly, or imperceptibly, as into crevices; To ingratiate oneself; to obtain access or favor by flattery or cunning; To hint at (something); to suggest or express an idea ...