Their religion was simply patriotism, but it was quite as operant and effective as Christian piety has ever been.
A permanent revulsion was operant in her, which intensified as time wore on.
The operant will to get rid of them would be baptized with a fire that should burn them up.
No conscious courage was operant in me; simply, I was not afraid.
Thus, within one individual both parasitic and predatory behavior are operant during different stages of its life history.
Feelings are associated with one another according as they have been operant in more or less frequent succession.
"that works," early 15c., from Latin operantem (nominative operans), present participle of operari "to work" (see operation). Psychological sense of "involving behavior modification" coined 1937 by U.S. psychologist B.F. Skinner (e.g. operant conditioning, 1938, Skinner).
operant op·er·ant (ŏp'ər-ənt)
Operating to produce effects; effective.
Of, relating to, or being a response that occurs spontaneously and is identified by its reinforcing or inhibiting effects.