All this is to say that Lincoln's constancy was poise, not obstinacy; a well-reflected equilibrium, not a stiff rigidity.
late 14c., "turn or bend back;" early 15c., "to divert, to turn aside, deflect," from Old French reflecter (14c.), from Latin reflectere "bend back, turn back" (see reflection). Of mirrors or polished surfaces, to shine back light rays or images, early 15c.; meaning "to turn one's thoughts back on" is c.1600. Related: Reflected; reflecting.
reflect re·flect (rĭ-flěkt')
v. re·flect·ed, re·flect·ing, re·flects
To bend back.
To throw or bend back light, heat, or sound from a surface.
To think seriously.
To send back a motor impulse in response to a sensory stimulus.