Обдуманностью
 Noun - Instrumental - Feminine
RUSV Only: 1
 Proverbs 24:6 RUSV
6 Поэ́тому с обдуманностью ве́ди войну́ твою́,
6 [That Is Why, Therefore, Wherefore] [and, from, in, of, with] обдуманностью [lead, lead the way] (the war) yours,
и успе́х бу́дет при мно́жестве совещаний.
and success [will be, would be] [at, in] [set, multiplicity, plenty, multitude] совещаний.

For by wise counsel thou shalt make thy war:
and in multitude of counsellors there is safety.
Proverbs 24:6 KJV