approaching

(Hort.) The act of ingrafting a sprig or shoot of one tree into another, without cutting it from the parent stock; -- called, also, inarching and grafting by approach.

adjective

In the relatively near future: coming, forthcoming, upcoming. See near/far/distance.

The noun has 3 meanings:

Meaning #1: the event of one object coming closer to another
  Synonym: approach

Meaning #2: the temporal property of becoming nearer in time
  Synonyms: approach, coming

Meaning #3: the act of drawing spatially closer to something
  Synonyms: approach, coming

The adjective approaching has 2 meanings:

Meaning #1: moving toward one
  Synonym: oncoming

Meaning #2: of the relatively near future
  Synonyms: coming, forthcoming, upcoming