If I want to describe two financial investments that are mutually beneficial, that is, the first investment increases the value of the second, while the second increases the value of the first, what single word can I use in the phrase "reciprocating ______".

It would be the opposite of devaluation, I guess, but somehow no one ever got around to making "envaluation" a word. "Mutally beneficial" doesn't work because it's not specifically pecuniary.

Edit: It's to be used in a heading, so I'm hoping for an "action thing", or, as I just learned, a deverbal noun [Wikipedia]. Like the noun attack from the verb attack, except specifically and solely pecuniary.

  • Uh ... augment?
    – Ricky
    Oct 25, 2015 at 1:19
  • Could you give an example of the investments? That might spur some better suggestions Oct 25, 2015 at 3:04
  • If you buy a rundown house in a rundown neighborhood and fix it up, it raises not only the value of that house but all the houses around it as well. So, if you buy two houses next to each other and fix them both up, reciprocating envaluation.
    – CWill
    Oct 25, 2015 at 13:18

5 Answers 5


Consider, appreciation [in value].

: an increase in the value of something

He bought the statue because he believed there would be an appreciation in its value.

Based on the history of the company, you can expect a significant appreciation in your investment over a number of years.

There's been no appreciation in the stock's value.

M-W Learner's Dictionary


Growth is a term that is frequently used to describe gains in the value of a financial asset. While it's not specifically "pecuniary" as you put it, it fits in the phrase you provided:

Reciprocating growth

Return, yield, and gain are similar alternatives that may work as well.

  • I'm using "gain", actually, for now, but hoping for something more active. Thanks
    – CWill
    Oct 25, 2015 at 2:26
  • 1
    To some people, reciprocal /reciprocating may suggest that as A grows B diminishes and as B grows A diminishes. How about mutual, synergistic or symbiotic benefit, enhancement, growth.
    – Hugh
    Oct 25, 2015 at 2:43

elevate ( --> elevation)
1: to lift up or make higher : raise
2: to raise in rank or status

the act of improving something : the act or process of making something better

I don't know of a solely pecuniary word to fit in there. Maybe you could say reciprocating financial improvement/elevation, or something like that.

  • I wonder what it says about us that we seem to have so many more words to describe value reduction than value adduction. Oh, wait, adduction is the act of drawing inward toward the median axis of the body.
    – CWill
    Oct 25, 2015 at 2:36

You could use an analogy from biology:

  • symbiosis (n)

  • symbiotic (adj)

These have the popular connotation of "mutually beneficial". Unfortunately, the current biological definition of symbiosis encompasses relationships that are NOT mutually beneficial (e.g. parasitic) so the more accepted term among biologists is

You didn't say whether a drop in value of one investment also implies a drop in value of the other. If so, they both move in the same direction in either case, and you could use statistical terms:

  • positive correlation

  • positively correlated


"Enrichment" strikes me as both useful and situationally-appropriate for you.

Dictionary.com, for instance, lists a definition for "enrich" that says, "to add greater value or significance to".

Mind you, your full term, which would be "reciprocating enrichment", feels somewhat awkward. You would probably be better-served by something a little more concise, like "symbiosis".

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