supportive

As a letter s

is the letter s with a.

As an adjective supportive is

providing support.

As adjectives the difference between confirmatory and supportive

is that confirmatory is serving to confirm something while supportive is providing support.

As adjectives the difference between upright and supportive

is that upright is vertical; erect while supportive is providing support.

As an adverb upright

is in or into an upright position.

As a noun upright

is any vertical part of a structure, especially one of the goal posts in sports.

As adjectives the difference between symbolic and supportive

is that symbolic is pertaining to a symbol while supportive is providing support.

As adjectives the difference between vindictive and supportive

is that vindictive is having a tendency to seek revenge when , vengeful while supportive is providing support.

As adjectives the difference between independent and supportive

is that independent is not dependent; not contingent or depending on something else; free while supportive is providing support.

As a noun independent

is a candidate or voter not affiliated with any political party, a free thinker, free of a party platform.

As adjectives the difference between supportive and supplemental

is that supportive is providing support while supplemental is acting to supplement.

As a noun supplemental is

something that supplements or adds to.

As adjectives the difference between favorable and supportive

is that favorable is pleasing, encouraging or approving while supportive is providing support.

As adjectives the difference between supplementary and supportive

is that supplementary is additional; added to supply what is wanted while supportive is providing support.

As adjectives the difference between supportive and false

is that supportive is providing support while false is (label) one of two states of a boolean variable; logic.