promising

adj

1. Showing promise, and likely to develop in a desirable fashion.

   “a promising young apprentice”

   “The obtained low and anisotropic thermal conductivity, and feasibility of synthesis, in addition to other reports on high electron mobility, make arsenene a promising material for a variety of applications, including thermal management and thermoelectric devices..”

2. Encouraging and inspiring confidence.

verb

1. (form-of, gerund, participle, present)present participle and gerund of promise

noun

1. The act of making a promise.

   “So it cannot be supposed that promisings differ from other word-givings in that a word-giver makes a promise only if he or she uses the locution "I promise".”