selective

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Of or characterized by selection; discriminating.
• adjective Empowered or tending to select.
• adjective Electronics Able to reject frequencies other than the one selected or tuned.

from The Century Dictionary.

• Of, pertaining to, or characterized by selection or choice; selecting; using that which is selected or choice.

from the GNU version of the Collaborative International Dictionary of English.

• adjective Selecting; tending to select.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective Of or pertaining to the process of selection.
• adjective of a person choosy, fussy or discriminating when selecting.
• adjective not comparable Having the authority or capability to make a selection.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective characterized by very careful or fastidious selection
• adjective tending to select; characterized by careful choice