right; correct; proper; righteous; just
to correct; to rectify; to reform; to straighten (one's posture, collar, etc.); to adjust
courteous; decorous; polite
regular; well-regulated; systematic; orderly
to sit up straight; to straighten one's posture; to straighten up
having an ancient and honorable origin; of good lineage; of noble birth
well-mannered; courteous; polite
to straighten oneself; to straighten one's clothes and one's posture; to adopt a more serious attitude
conducting oneself properly; right conduct; doing the right thing
to go to the bottom of an affair; to inquire into the origin
to ask (about); to inquire; to enquire; to question; to make sure of
to inquire (about); to enquire; to ask; to interrogate; to question intensely; to grill (someone about something)
leave no room for scandal; don't do anything that can be misinterpreted; (lit.) don't straighten your cap under a plum tree (because when you raise your hands it might look as if you're trying to steal the plums)
(arch.) the real person; (arch.) said person; real thing; genuine article
to find out the truth; to ascertain; to clarify; to confirm; to verify
right; rightly; correctly; properly; accurately
to ascertain; to confirm; to verify; to make sure of