All 5 Uses of

resolve

in

The Great Gatsby

Looked at from a distance, however, the hen resolved itself into a bonnet, and the countenance of a stout old lady beamed down into the room.
p. 29.3 *

resolved = changed

At first I thought it was another party, a wild rout that had resolved itself into "hide-and-go-seek." or "sardines-in-the-box." with all the house thrown open to the game.
p. 81.4

I became aware now of a hollow, wailing sound which issued incessantly from the garage, a sound which as we got out of the coupe and walked toward the door resolved itself into the words "Oh, my God!" uttered over and over in a gasping moan.
p. 138.1

resolved = changed (through recognition)

Definitions:

(1) (resolve as in: I resolved to stop drinking.)
to decide -- typically a firm or formal decision

In modern writing resolve is typically used to emphasize a firm or formal decision. In classic literature, it is used more frequently and often simply replaces decide or determine.
(2) (resolve as in: This committee hereby resolves...)
make a decision or voice an opinion by formal group vote
(3) (resolve as in: Her resolve weakened.)
firmness of purpose (strong determination to do something)
(4) (resolve as in: How was the problem resolved?)
to solve a problem, settle a disagreement, or for a situation to change
(5) (meaning too rare to warrant focus)
Less commonly, resolve can mean:
- to make clearly visible -- as in "The microscope cannot resolve that level of detail."
- to divide into parts -- as in "The problem resolves into three parts,"or (math) "Resolve the polynomial into factors," or (chemistry) "As the temperature changes, the compound resolves into its component parts," or (physics) "The force on the inclined plane resolves into horizontal and vertical components."
- reduce or convert into something else -- as in "The URL is resolved to an IP address," or (music) "The progression is resolved as the dissonance is replaced by consonance."