Take much of what we've said to heart. Consider your personal taste, age, length of stay, luggage, destination, and activities, and read the suggestions below.
Suggestions For Women
3 wash and wear casual outfits (mix and match separates, including jeans)
2-3 pairs of conservative shorts if going to a warm climate
1 lightweight daytime dress or comfortable crease-resistant travel dress
1 conservative suit or dress
1 two-piece jogging suit or sweatsuit
2-3 pairs of walking shoes, tennis shoes, or boots
1 pair of comfortable dress shoes
1 sweater (cardigan preferably)
1 all-purpose coat (to be used as a raincoat, evening coat, bathrobe, beach cover, etc.)
1 or 2 swimsuits and a cover-up (which could double as something else)
6 changes of underwear
6-8 pairs of wool or cotton socks
Panty hose or colored lightweight tights (depending on climate and personal taste)
Sleepwear (your preference, but something conservative, comfortable, easy to pack and wash, i.e. a light knit sweat suit, oversized t-shirt, etc.)