Google ANDROID Quick Start Guide (4.4, KitKat) - Manual (Page 34)

ANDROID QUICK START GUIDE USE THE KEYBOARD 30
If the word that you want isn't shown while using Gesture Typing,
you can type it out manually. If you gesture a word and want to
change it, touch the word to see other choices in the suggestion
strip.
TIP: If there are letters that you want to emphasise – for
instance, if the keyboard displays a similar word instead
of the one that you want – pause over it slightly longer
before moving on to the next letter.
Use Gesture Typing without the space bar
When you use Gesture Typing, there's no need to use the space
bar - just continue to slide your finger across the letters you want
to input, then lift your finger to start the next word.
To change Gesture Typing settings, go to Settings
> Language & input > Keyboard & input methods >
Android keyboard. Then touch Settings and look
under Gesture Typing.
Keyboard dictionaries
To manage keyboard dictionaries, go to Settings > Personal >
Language & input.
Settings