Some dress slacks are wrinkle free and do not need to be ironed.
Brown,
For attending an opera in the afternoon, you should wear dress slacks and a dress shirt if you are a male. A female should wear a casual dress.
Oh well you could wear a skirt or slacks
Girls typically wear a nice dress. In non-Orthodox synagogues, dress slacks or pants suits are sometimes worn.
Typically, the women wear sarees and the men are usually seen with dress slacks and shirts.
Semi formal wear can mean anything from a woman wearing slacks and a blouse; skirt and blouse and flat shoes if she prefers to men wearing a sports jacket with either a shirt and tie or a shirt open at the neck and slacks to slacks and a shirt or slacks and a sweater.
White dress shirt with black slacks and black comfortable shoes
It is really a determination of where he or she works. Most places I go to, they wear Black slacks, a black/white/colored button-down, and a small apron.
You can wear any type of dress you like, but not necessarily long. It is also acceptable to wear summer slacks (in summer of course) with a nice top and sandal shoes (high heel or low.)
If you were a baby you wore a Frock. If you were a boy you wore slacks and a shirt. If you were a girl you wore a dress
A suit, or nice slacks and button down shirt with collar. A blazer jacket over that would be preferred. The way one dresses is to show respect for the court. No personalised items, such as logo t-shirts, etc. Woman should not wear low cut dress or blouse, but conservative dress. Nice slacks are fine.
If you're male, a suit is the norm. At the least, a dress shirt and slacks.