becoming

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Appropriate, suitable, or proper.
• adjective Pleasing or attractive to the eye.

from The Century Dictionary.

• Fit; suitable; congruous; proper; belonging to the character, or adapted to the circumstances: formerly sometimes followed by of.
• Suitable to the appearance or style of; be-fitting esthetically: as, a becoming dress.
• noun Something worn as an ornament.
• noun That which is suitable, fit, or appropriate.
• noun In metaphysics, the transition from non-existence into existence; an intermediate state between being and not being; a state of flux; the state of that which begins to be, but does not endure; change; development: opposed to being.

from the GNU version of the Collaborative International Dictionary of English.

• noun obsolete That which is becoming or appropriate.
• adjective Appropriate or fit; congruous; suitable; graceful; befitting.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb Present participle of become.
• noun The act or process in which something becomes.
• adjective pleasingly suitable to the particular person involved.
• adjective decent, respectable

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective according with custom or propriety
• adjective displaying or setting off to best advantage