Smita

Smita (स्मित) in Sanskrit refers to

• the “slight smile” of an actor/actress in Natyashastra (theater and dance treatise)
• the act of "blooming" in Ayurveda (science of life).
• the smile of Lord Buddha in Mahayana tradition. Even when asked by the venerable Ananda about the meaning of this smiling, the Buddha didn't reply explicitely.
• In Nagarjuna's commentary of the Prajnaparamita treaty, it is said that the Buddha '[knowingly] smiled (or laughed) with the whole body when he peacefully emerged from Samādhi (समाधि, "completion" "self-absorption" in yoga philosophy).

[In Khmer, ស្មារតី smartei, refers to "the course of the mind".]