Pact
- formal agreement.

Synonyms: agreement, treaty, entente, protocol, deal, contract.

Stealth - cautious and surreptitious action or movement.

Synonyms: furtiveness, secretiveness, secrecy.

Emphatic - expressing something forcibly and clearly.

Synonyms: strife, conflict, friction.

Discord - disagreement between people.

Synonyms: conflict, friction, hostility.

Synergy - the interaction or cooperation of two or more organizations.

Synonyms: teamwork, harmony, unity.

Stampede - a suddenly panicked rush of a number of horses.

Synonyms: charge, panic, rush, flight, rout, scattering.

Falsify - alter (information, a document, or evidence) so as to mislead.       

Synonyms: forge, fake, counterfeit, fabricate, invent, alter, and change.

Interrogation - the action of interrogating or the process of being interrogated.

Synonyms: questioning, cross-questioning, cross-examination, quizzing.

Deterioration - the process of becoming progressively worse.

Synonyms: worsening, decline, decay, collapse, failure, fall.

Nurturer - for and protect (someone or something) while they are growing.

Synonyms: bring up, care for, provide for, take care of, attend to, and look after.

Lamented - a conventional way of describing someone who has died.

Synonyms: regret, deplore, lament, and mourn

Octogenarian - a person who is between 80 and 89 years old.