• erstwhile ˈəːstwʌɪl/ adjective1

former. "the erstwhile president of the company" synonyms: former, old, past, one-time, sometime, as was, ex-, late, then; At one time, for a time.

• halcyon ˈhalsɪən,-ʃ(ə)n/ adjective1

denoting a period of time in the past that was idyllically happy and peaceful. "the halcyon days of the mid 1980s, when profits were soaring" synonyms: serene, calm, pleasant, balmy, tranquil, peaceful, temperate, mild, quiet, gentle, placid, still, windless, stormless

• incipient ɪnˈsɪpɪənt/ adjective1

beginning to happen or develop. "he could feel incipient anger building up"

• inglenook ˈɪŋg(ə)lnʊk/ noun1

a space on either side of a large fireplace. "an inglenook fireplace"

• petrichor ˈpɛtrʌɪkɔː/ noun1

a pleasant smell that frequently accompanies the first rain after a long period of warm, dry weather. "other than the petrichor emanating from the rapidly drying grass, there was not a trace of evidence that it had rained at all"

• sempiternal ˌsɛmpɪˈtəːn(ə)l/ adjectiveliterary1

eternal and unchanging; everlasting. "the sempiternal sadness of the industrial background"

• serendipity ˌsɛr(ə)nˈdɪpɪti/ noun1

the occurrence and development of events by chance in a happy or beneficial way. "a fortunate stroke of serendipity" synonyms: chance, happy chance, accident, happy accident, fluke;

fernweh

Wanderlust is a strong desire for or impulse to wander or travel and explore the world.