In a selective manner, only affecting or applying to some selected cases.(adverb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "selectively" in a sentence
"The Bush Administration's policy of "no negotiations with terrorists," with the label selectively applied, makes no more sense in this hemisphere than in other parts of the world."
"After diffusing the emitter, Hoerni again selectively etched the oxide layer to provide for alloy contacts (f)."
"Ms. Rosin selectively quoted articles supporting her perspective that there is insufficient evidence for the health benefits of breast-feeding, and ignored the mass of data that provides ample evidence for its benefits."