The phrase "assimilate by" is correct and usable in written English, although it is not usually used in isolation.
It is typically used to mean "assimilated by," which refers to something being absorbed or accepted into a larger group or culture. For example, you could say, "The family readily assimilated by their new community."
Clara's road is not an easy one: she's pressured to assimilate by a teacher; she's pressured not to assimilate by her father; her husband hates the smell of Dominican cooking.
His focus on the need for immigrants to assimilate — by learning English and integrating more deeply into American society — may be intended to help ease concerns among some of his Republican supporters and some moderate Democrats.
Over the season Raja (Adhir Kalyan) has scuttled a family trip by praying in an airport and attempted to assimilate by joining Students Against Drunk Driving and staging a mock funeral.
Whereas past generations of Latinos tried to assimilate by embracing an American identity at the expense of their ethnic roots, many Latinos today identify with both cultures, Mr. Lopez said.
Iron is the most essential element found in the environment, but it is difficult to assimilate by microorganisms.
Located in areas of disputed ownership between Kurdish and Arab Iraq, the Shabaks have often faced persecution as well as pressure to assimilate by both Arabs and Kurds.
The Balts there were gradually assimilated by the Slavs; complete assimilation probably occurred around the 14th century.
Has Mr. Bernanke been intellectually assimilated by the Fed Borg?
Devices of magical realism, pioneered in Latin America and Eastern Europe, have been embraced and assimilated by novelists like Mr. Rushdie, Mr. Ondaatje and Tim O'Brien.
The few remaining aboriginal inhabitants were assimilated by the mid-19th century.
The earliest inhabitants, of Tai or Shan origin, were assimilated by the Chinese (Han) long ago.
