Use
Explanation:
No question about it.
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Note added at 3 hrs (2011-12-19 19:08:30 GMT)
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en·gage (n-gj)
v. en·gaged, en·gag·ing, en·gag·es
v.tr.
1. To obtain or contract for the services of; employ: engage a carpenter.
2. To arrange for the use of; reserve: engage a room. See Synonyms at book.
3. To pledge or promise, especially to marry.
4. To attract and hold the attention of; engross: a hobby that engaged her for hours at a time.
5. To win over or attract: His smile engages everyone he meets.
6. To draw into; involve: engage a shy person in conversation.
7. To require the use of; occupy: Studying engages most of my time.
8. To enter or bring into conflict with: We have engaged the enemy.
9. To interlock or cause to interlock; mesh: engage the automobile's clutch.
10. To give or take as security.
http://www.thefreedictionary.com/engage
I think in the above context, any of the definitions which include "use" above (1,2 & 7) - especially 2 & 7 - more accurately point to the meaning of "engage" here.
Colloquially, in this context - it just means "use" as in the oft quoted phrase:
"Engage your brain before you open your mouth".
|  Ty Kendall
United Kingdom
Local time: 03:08
Native speaker of:  English
PRO pts in category: 8
|
|
The translation workplace 
peer agreement (net): +4
