rigidify

verbs

become rigid
"The body rigidified"
is derived from
is derived from
is derived from
is a type of (narrower)
become stiff or stiffer
"He stiffened when he saw his boss enter the room"
make rigid and set into a conventional pattern
"rigidify the training schedule"; "ossified teaching methods"; "slogans petrify our thinking"
is derived from
is derived from