the word present is a multi meaning word so it depends which definition that you are talking about.
present and here an antonym for absent would be present, for example. good question! :-)
Nostalgia is a "pain for the past." An antonym meaning a pain for the present might be mal du siecle, French for sickness of the present.
Current or present is the closest antonym for the word former.
The antonym of legacy is contemporary or current, referring to something that is new, modern, or in the present time.
Conventional, New, Modern, Future, Present, etc...
A possible antonym of suffused is "drained" or "depleted." These words suggest a lack or removal of something that was previously present or distributed.
One of the antonyms for previous are current ,future,present and later.
The antonym of "past" is "future." The past refers to events that have already happened, while the future represents events that are yet to occur.
== == Beginning, first, front, initial, introductory, oldest, primary, starting
Using "along" to imply location along the length of a structure, the opposite could be either perpendicular (to) or separated (from). The colloquial usage as "came along" (accompanied, present) has no antonym.
The antonym of "ancestral" is "modern" or "contemporary." Ancestral refers to something that is passed down through generations, while modern or contemporary refers to something that is current or of the present time.
No, "state" is not a precise antonym of "primitive." A more precise antonym of "primitive" would be "advanced" or "sophisticated." "State" generally refers to a condition or how something exists at a certain point in time.