in keeping with; or in agreement/harmony/unity with
This sense of accord is often seen in the form according to or accordingly where it can take on more specific meanings. For example:
"According to Kim, ..." — as stated by
"To each according to her ability." — based upon
"Points are scored according to how well they perform." — depending upon
"The dose is calculated according to body weight." — in proportion to
"We got a flat tire. Accordingly, I pulled to the side of the road." — because of what was just said; or as a result
Arriving inside the gates, we met chaos: forty to fifty American bodies laid out all over the runway with medical personnel trying to get them through triage—figuring out the nonsurvivable from the survivable, the critical from the less critical—and attending to them accordingly.
There are no more uses of "accord" in I Am a Seal Team Six Warrior.