s/v1982044

Information
has gloss	(verb) get up from a sitting or slouching position; "The students straightened when the teacher entered" straighten
lexicalization	eng: straighten
subclass of	(verb) undergo a change in bodily posture change posture
has subclass	(verb) stand up on the hind legs, of quadrupeds; "The horse reared in terror" rise up, rear
has subclass	(verb) straighten oneself; "He drew himself up when he talked to his superior" straighten up, draw up, pull up